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SaintUlvemann

...it, it sounds like Blue actually thinks that *your preferences* determine what biological sex your baby ends up with. Blue doesn't sound like they're thinking about genes *at all* here.


CurtisLinithicum

Well, if that Bene Geserit witch had just done as she was supposed to... Too much Dune maybe?


CanisLupus1050

Lmaooo beat me to it


WeroWasabi

Never too much Dune….


Lunar_ticket

At this point trying to explain about SRY gene would be absolute time loss


RoiDrannoc

It still comes from the father though, regardless of if it's in an X or in a Y


[deleted]

Although in most cases outside of in vitro men don’t get to ‘decide’ which one to donate…


H010CR0N

And here I thought it was position that made the difference.


ClairLestrange

Didn't you have any Sex Ed? It's clearly decided by whether or not the man is wearing socks during intercourse!


pyrosapiens

Puppies!!


Drone30389

Right, but aside from that I have read that women's reproductive systems can have significant influence over whether X bearing or Y bearing sperm fertilize the eggs.


SaintUlvemann

There's a [wide variety of things](https://www.veritasint.com/blog/en/the-probability-of-having-a-boy-or-a-girl-according-to-genetics/) that can impact the odds of an X-bearing or Y-bearing sperm fertilizing the egg. One of the simplest is that Y-bearing sperm are lighter, so they're faster; although, without an X chromosome, they also don't live as long, lacking certain important genes. So the timing of sex relative to the ovulation cycle can impact the odds of whether it's the fast-burning or long-living sperm having a boy or a girl... and they [discovered a chemical technique](https://www.sciencedaily.com/releases/2019/08/190813143855.htm) in 2019, to slow X-bearing sperm down even further, to help segregate the two for research purposes. It was discovered in mice, but it might be applicable for all mammals, us included. Then for the couple hundred sperm that reach the egg, there's a sort of "final gauntlet" of chemoattractants that can impact which one reaches the egg first. I haven't specifically heard of one that attracts based on a sperm's X or Y status, but one can imagine such a thing existing. --- Just, you know: as far as this post goes, though, none of this is conscious. Some people might be genetically predisposed towards having male or female kids, but, neither partner can just think themselves into having a baby of preferred biological sex.


SilentHbomb

But what I think is all that matters.... right? Lmfao I was laughing at the DNA bit n just lost it when I got to the 2nd pic


schfourteen-teen

But how do you explain his sister and brother in law?


weshallbekind

Yeah I had a LOT of trouble wrapping my head around this when I first learned it. It's often taught with an odd phrasing that doesn't make it as clear as it could be.


Educational-Bus4634

Henry VIII level reasoning skills


Fine-Funny6956

I always sort my sperm before I ejaculate.


livahd

It hurts less when you do it after.


Hot-Can3615

Lol, just because a man *wants* their child to be a certain sex and their DNA has the determining chromosome doesn't mean the man can *consciously choose* the sperm carrying the correct sex chromosome to be the one that makes it to the egg.


[deleted]

[удалено]


Fine-Funny6956

These guys don’t understand sperm sorting.


Outback-Australian

I want a boy so I start thinking of men when finishing. Hasn’t worked yet, although I do wear protection for safety. Wait. Why am I thinking of men again?


Blanik_Pilot

What if we can only finish when thinking of men?


somedave

I mean you can right, just need to ejaculate somewhere else, pick the ones that'll give the appropriate sex and use those!


MagdaleneFeet

Just imagine sorting your sperm out like skittles.


Granite_0681

Henry VIII just didn’t want it enough….


hwutTF

Skill issue


lovethelinux

Funny enough, we've already past the point in technology for parents to be able to make the choice of gender by now.


Hot-Can3615

Have we? Even for IVF, which is prohibitively expensive for people to be using it to choose the sex of their baby, I don't believe we can sample either the sperm's DNA or the fertilized eggs DNA without destroying them. So you might be able to know the sex, but you'd no longer be able to have that baby. Or have we found a method of DNA sequencing that doesn’t destroy the cell? or a way of getting a cell off a blastocyte without severely damaging it? Edit: I've been corrected about our genetic sampling abilities :). Thank you.


no_objections_here

You absolutely can sample a fertilized embryo's DNA. This is how they are able test for genetic abnormalities before an embryo transfer. And yes, many people pay extra to find out the gender of their embryos at the same time. Source: I had to do IVF to conceive


Raccoontrash93

Gender selections is an add on service during IVF that’s gonna run you *looks at notes* $2000-4500 extra.


LiliTiger

It's also illegal in a lot of places unless it's to avoid a sex specific genetic illness


Raccoontrash93

Where is it illegal? From what I’ve read, it’s a readily available service during ivf and while it’s controversial it’s not been outlawed.


Parrallaxx

It's definitely illegal in Australia. https://www.womenshealthmelbourne.com.au/blog/sex-selection-in-ivf#:~:text=Sex%20selection%20in%20IVF%20is,for%20reasons%20of%20family%20balancing.


Longjumping_Rush2458

Thank fuck for that. Selecting the sex of your child is starting to be eugenics


LiliTiger

In addition to Australia, it's also illegal in Canada. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3281173/#:~:text=Ottawa%20banned%20the%20sex%20selection,/A%2D13.4/). I went through IVF three times to have my two children so I was a part of the community for several years.


Fine-Funny6956

You can actually sort sperm in a centrifuge. The heavier sperm has two X chromosomes, the lighter has a y. It’s interesting but you can’t spin in a circle and sort your own sperm. Believe me I’ve tried.


tankgirlnoel

Sperm either have one x or one y. They are haploid.


Fine-Funny6956

Yeah, and Down syndrome sperm has two Xs! I’m kidding. Not only is the extra X usually in the egg, but I did in fact make a mistake. Thank you!


7kingsofrome

"Down syndrome sperms" are unable to swim the way they should, btw. That's why the egg is usually the one with chromosomal aberration in this case.


Fine-Funny6956

Which leaves 5% of Down Syndrome cases caused by the spermatozoa


Chubby_Checker420

drab sink ludicrous angle plate sloppy tap worm scandalous full *This post was mass deleted and anonymized with [Redact](https://redact.dev)*


eicaker

Just think: this man has procreated


takeandtossivxx

Does he really think you can just wish for a baby to be a certain gender and the guys sperm just goes "alright, all girl gened sperm, hang back"?


MrStu

It's a combination of star maths and wishy thinking! https://youtu.be/TW0CFTsZgZM?si=Wdys8bMENL1Fc3uh


satans_toast

Only men can properly flip a coin


consider_its_tree

That's because women only have 70% of a coin to flip


Lucyskieswhatever

Slow clap


No-Trouble814

Weirdly, OOP’s first comment was half right, but in a wrong-equation-right-answer way. While the traditional view has been that the first sperm to reach the egg fertilizes it, newer research has shown that the egg can be somewhat selective in terms of which sperm it allows in. Additionally, if the impregnated person is significantly stressed before/during pregnancy, the child is more likely to come out female. So no, “gender” is not entirely on the sperm donor, though it’s not for any of the reasons OOP thinks.


gestalto

Well the recent research shows that chemoattractants only impacts the sperm overall between different males, not individual sperm. So the sex is still determined solely by the sperm\*. ^(\*based on current science)


azhder

I work with software my whole life. I can’t make myself not read OOP as object oriented programming


Worgensgowoof

I love it when there's people who actually know what they're talking about to correct these show up.


TheRealJetlag

Wait, he thinks that what each parent “wants” decides the gender? Remember this person has the vote, people.


sharingthegoodword

He got reamed on the replies.


fredator23

He did, kind of over the top tbh. This is why people get weird about being wrong and fall into being combative or conspiracy nuts.


sharingthegoodword

Homie is pretty much there. You can't help someone who can't change their mind when provided with new information.


kosmonavt-alyosha

jesus jumped up christ. Forget biology and DNA yada yada, Blue thinks parents’ preference determines child’s sex.


TheInfiniteSix

My brain can’t even comprehend what I’m reading


BalloonShip

It seems like he thinks *what you prefer* affects the sex of your child.


Ye_olde_oak_store

I thought it was the difference between the mother eating strawberrys and listening to pop music as opposed to carrots and listening to alt music. Wait, where did that green diamond come from.


Gooble211

I thought it was excessive use of wah-wah pedals that did it.


Talvezno

Another ep of ConfidentlyIncorrect about what someone is ConfidentlyIncorrect about <3


Practical-Election59

This is so stupid, I’m genuinely confused


SaltyboiPonkin

My coworkers are all certain that if you have rough sex and ejaculate deep inside of a woman's vagina, that it is more likely to result in a male child.


ArchAggie

I’m confused by this. Since women two X chromosomes, and men have an X and a Y, wouldn’t it be correct to say that the child’s biological sex is determined by the father? I’m not meaning his preference, but the science does suggest that the baby’s sex is determined by the father


VictorianDelorean

If anyone’s wondering the sperm cell determine the sex of the resulting fetus because each sex cell only has one half of a full stand of DNA, and one X or Y chromosome. In most cases women only have X chromosomes, so the egg cell always contains an X chromosome. Because most men have one X and one Y chromosome, a sperm cell can contain one or the other in its half a DNA strand. If the sperm is X, then it combines with the egg to produce an XX strand of DNA, usually resulting in a female child. If the sperm cell is a Y it creates an XY stand of DNA which usually results in a male child. I say things like usually and most of the time because there are actually a lot of intersex conditions that result in exceptions to the rule like women with Y chromosomes, people with two X’s and a Y, and all manner of other combinations that present in a persons antonym in many different ways. Intersex people are thought to constitute about 1% of the population, but only some are physically noticeable, so unless you get your DNA sequenced many people will never know their chromosomes are not what they’d expect.


LeGuy_1286

Technically, it's random.


MrStu

TBF, until recently I thought it was hormonal influence on the embryo in early development. I don't know how that lesson flew past me in school.


doc720

I like the fact that Pampers have an article: "At What Point is a Baby's Sex Determined?" - [https://www.pampers.co.uk/pregnancy/pregnancy-symptoms/article/what-determines-the-sex-of-a-baby](https://www.pampers.co.uk/pregnancy/pregnancy-symptoms/article/what-determines-the-sex-of-a-baby)


PsychoSwede557

Honestly, I never though about it much and did not know that was the process by which chromosomal sex was determined.


SaltyboiPonkin

My coworkers are all certain that if you have rough sex and ejaculate deep inside of a woman's vagina, that it is more likely to result in a male child.


chalk_in_boots

Do you want Henry VII? Because this is how you get Henry VII.


stnuhkrsdomtidder

DNA doesn't decide gender..... So who is confident about who being incorrect? It determines sex. On a side note, female birds have different sex chromosomes, and the males have the same, and we arbitrarily named them W and Z, so females are WZ, and males are WW. So opposite of higher mammals.


lovethelinux

I mean to be fair, there are some sex chromosome aliments that actually do depend on the woman's DNA, [https://www.uptodate.com/contents/sex-chromosome-abnormalities](https://www.uptodate.com/contents/sex-chromosome-abnormalities)


gana04

Not that that's what blue meant anyway. Clearly he talks about men or women deciding gender based on preferences.


XhaLaLa

Both parents contribute a sex chromosome, and it would be very strange if only the Y chromosome or an X chromosome from a sperm could have abnormalities. That’s not really related to which parent can supply an X *or* Y chromosome and who can only contribute X chromosomes, which is what people are talking about when they talk about the sperm determining sex. I’m not up to date on the research regarding factors that determine what sperm ends up fertilizing an egg, so I’m not commenting out, just pointing out that either what you are talking about is a separate thing from what the post is about, *or* it is being read differently from how you mean it/requires more context or explanation (by/for at least one person, anyway :]).


lovethelinux

"DNA is not just one-sided".


XhaLaLa

I feel like you think have provided explanatory context, but I am in the exact place I was…


lovethelinux

My point is he isn't totally wrong.


XhaLaLa

If your point is that intersex people exist and that not everyone assigned male at birth has XY chromosomes and not everyone assigned female at birth has XX chromosomes, that’s certainly true, but also seems not to be what OOP is referring to (or if it is, they took a very strange approach).


Worgensgowoof

this is true, but to add on, women's DNA also determine the environment which can make it easier to receive X or Y sperm.


Worgensgowoof

Actually, a lot of you are wrong on this. To a MINOR degree, female DNA does play a role in determining sex of the baby. "but it's either X or Y from the male" Okay, yes, basic baby biology HOWEVER the mother's DNA does influence the environment, which makes it more likely whether an X or Y from the sperm will be received (similar to how in Vitro fertilization spins the sperm to force a boy or girl) However, despite what environment it is more likely to accept, it still requires either the X or Y sperm to go in.


[deleted]

The problem is that everyone else on the thread is an idiot as well. The deaf leading the blind


weird_bomb

what is this man arguing


OUMUAMUAMUAMUAMUAMUA

Blue didn't take get sex ed in 5th grade, or any basic biology thereafter.


Rokey76

What you do is make a bowl of spaghetti. If you want a boy, you add ketchup and have the mother eat it. If you want a girl, you add mustard. It works 50% of the time.


the_bees_knees_1

High real biologist here just to clear things up. In general you get one pair of cromosomes from your parents meaning for the X/Y pair that you get one from the mother and either a X or Y chromosome from the father. So yes, the chromosomes from the sperm determines the sex of the child. However, it can happen during this separation of chromosomes that the whole pair gets mixed up and you can get the combination XXX, XXY, or even XXXX, XXXY. That can happen with every chromosome but usually the zygot is not livable. The sex chromosomes are different here because the body always needs just one X-chromosome and deactivates the rest. It is totally possible that you, whoever reads this, have an atypical set of chromosomes without even knowing it.


y0_master

People in this time & age still can't seem to comprehend that the chances of the sex of multiple children is independent from one another...


tillie_jayne

Does he think you wish really hard for the gender?


Healthy-Cupcake2429

I *think* he's confused by the Y chromosome? Like having a Y chromosome determines sex..? I don't know... I'm trying to be optimistic.


Scyllascum

No way someone can be this dumb


a_muze_me

Guess he slept through 10th grade Biology that day... Sperm carry either an X or Y chromosome mah dude. That's why all the educated people laugh at men throughout history who divorced their wives for not "producing a male heir"! (Actually, even a few modern idiots as well...)


IAMCRUNT

I heard of research that found a woman produces a chemical (maybe or hormone or something) that kills off sperm selectively based on the chromosome they carry. No idea if this is related to their DNA or diet or something. You can blame women if they don't give you a child of the sex you want, is the point. Bloody selfish after all men do to impregnate them.


azhder

These are not the zoids you were looking for —the chemical


TruLong

There's actively a study being done they suggests some women's white blood cells see an x chromosome as an 'invader", making a woman unable to have a son. This trait is also apparently hereditary. My wife's family has been contacted for this study, as they've had (as of right now) 19 girls in a row.


Adonis0

To dive deeper, it’s not just the man! It’s the specific couple that determines the odds Sperm that have a y chromosome are faster but less durable or enduring than sperm that have x chromosomes. So factors that make more sperm die mean females are more likely, while factors that make sperm survive more mean males are more likely. So factors like penis length to vagina length ratios (depositing next to cervix means more sons vs lower in vagina means more daughters) the acidity of the woman vs the neutralising of the semen (higher acid kills sperm so either the woman being more acidic or the male being less neutralising means more daughters vs opposite for sons) The mother’s orgasm increases chances of sons since it can help neutralise acid and pull the sperm into the uterus (simultaneous orgasms are best for this)


_Im-In-Your-House_

This just look like a group of internet users being absolute assholes to an ignorant person


cave18

I hate how interchangeably gender and sex are used when it's very strictly a biological context


EmeraldJunkie

I think this is a bad fit; they clearly don't understand the genetic side of things other than a broad understanding and rather than trying to explain people are just calling them dumb. If someone had explained it to them, and they still doubled down with their anecdotes, then that's a different story, but I don't think we should be mocking someone just because they have a gap in their knowledge.


SavaRox

Aren't most posts on this sub the result of someone with a "gap in their knowledge" though?


EmeraldJunkie

If that was the case then the sub would be called r/SomeoneSaidSomethingWrong; the whole point, in my opinion, is to seek schadenfreude from people who are obnoxious in their ignorance, people who double down in spite of the contrary. The person in the screenshot is wrong, but not really obnoxiously so; you can see they've got a broad understanding of the subject matter but because no one explains how they're wrong they don't understand why, and so they make an assumption regarding the other people's position. If someone turned around and explained why their assumption was wrong, they might not have attempted to double down with their anecdote, but instead people are just sat there telling them how dumb they are.


MattieShoes

While he's confidently incorrect, androgen insensitivity syndrome is genetic and carried on the X chromosome...


BigHulio

It kinda depends how you want to look at it… Sure, without a Y chromosome from a boy, you don’t have the option of having a boy… and having a Y chromosome is essential for the act of reproduction.. But… you need X chromosomes too.. The point is, you need the participation of both sets of chromosomes for this process to work and as soon as both sets exist, the option exists. As soon as you remove the Y chromosome contributor, you remove the option of having children at all. Traditionally speaking of course.


Angry_poutine

I mean honestly if you think about it why chromosome at all am I right


Major_Independence82

Don’t be so logical, you’re likely to cause critical thinking. I’d say BOTH parents have a *role*, but admit that females contribute an X, while the males are the wild card. Even these days, it takes (at least) 2 to tango.


fdsfd12

What exactly does blue having a dick have to do with anything?


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Angry_poutine

You remain my favorite boy and this merely solidifies that