fun fact

Dropped the bomb and left.

No, that's Ultra Magnus. Wrong '80s cartoon character.
- Here is an alternative Piped link(s):
  Ultra Magnus
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I shall make use of this whenever I shall enter discourse with the common enemy. Alas, thanks for allowing the addition of thy knowledge to me little brain. Perchance.

Edit: forgot to tip my fedora

You can't just say "perchance"!

Can someone explain the meme? I'm a little slow.

Human embryos (and probably others) start out female, and grow the male parts a fee weeks later. There is probably someone lurking who can give better details but that's the gist of it. Thats why men have nipples.
- And a scrotum seam
- You pretty much nailed it.
  Also, it gets much more complicated than that; at least 2% of humans are intersex, meaning they’re a mix of male and female, everywhere from outward presentation (rare) to chromosomal (more common).
  It’s not just gender that’s a spectrum: sex is, too. I said ‘at least’ because it’s possible for people to go their whole lives without realising they’re intersex. 2% is huge: if you know 100 people, statistically 2 of them are intersex. Most of us know more than that.
  The ‘only two genders’ thing is biologically bullshit. Biology is never cut and dried.
  eta: for reference, I have a disorder that’s been in the spotlight lately – Ehlers-Danlos – and you’ve probably at least heard of it. You’ve likely talked to someone who has it recently. It occurs in 1 in 20,000 people. Again, roughly 1 in 50 have intersex traits. I wish this had the visibility it deserves. It’s exceedingly normal.
- Yeah the Y chromosome doesn't kick in until later in fetal development.
  There's actually a surprisingly small amount of biological information stored on the Y chromosome, IIRC the vast majority lies on the X.
- About the nipples. You’re right in that we all get them by default. As I understand it the only reason males keep them is because evolutionarily it would take more energy to remove them than keep them. Basically we’re all slackers at the genetic level.
- Awesome! Thanks for explaining.
The He-Man series back in the 80s always ended with little moral quips, so this is mimicking that.
The fact is that all fetuses start off assuming female, and then the presence of certain chromosomes trigger male anatomy.
Hence all males being trans if life starts at conception, as at X week development shifts to generate the male oriented organs.
At least that's my understanding of this meme...
- presence of certain chromosomes
  well, the presence of certain hormones that are usually regulated by some genes on certain chromosomes
- Thanks for the explanation! That makes more sense.
Embryos develop proto female genitalia that turns into male genitalia (or further develops into female genitalia). Iirc the seam on your testicles is where the opening closed.
During early development the gonads of the fetus remain undifferentiated; that is, all fetal genitalia are the same and are phenotypically female.
sauce
Fetuses all start as female.
- But not really. They still have the Y chromosome, but the genitalia is kinda female before it fully forms
Basically, testosterone is one hell of a drug.
Being trans is about gender identity. This meme makes no sense
- Only if you're trying to say they didn't have a gender identity yet as fetuses. That's why it's a meme and obviously a joke. Otherwise it makes an interesting point about how silly it is for cis people to base gender on body parts.
  correction: 8 days later, I am editing to state I have since learned biological sex is actually undifferentiated in the first weeks of a pregnancy. This is NOT the same as being intersex, but I think an intersex individual would probably have the best perspective to weigh in on whether the joke in the meme still makes sense, due to overlap in the issues it raises. To my knowledge, I am not intersex, so I'll shut up now.
- All cis gendered men are trans would be more correct.
- Trans is about how your gender identity relates to their assigned gender. If life begins at conception and you assigned gender at that point, everyone should be assigned female. Anyone who identifies as a man would have a gender that doesn't match their assigned gender and therefore would be trans.

Funny enough, I don't think the original He-Man has nipples, so this might not apply to him.

Have you seen the real skeletor on (what was Twitter)? Similar awesome humour, dealing truths, love it. Bought myself a skeletor shirt, because of.

Supposedly your gender is determined at conception.

https://www.sciencedaily.com/releases/2018/12/181215141333.htm

Interesting findings, but intersex is a different thing to transgender (though more than a few people are both).

Their gender is “baby” and their identity is “stink”.
Fetuses are regularly assigned gender, whether they have one or not (and by the time you can have a high-confidence guess at genitalia, the brain's gender might already be somewhat determined). At conception, many transphobes would try to assign gender based on chromosomes even though those aren't even used for assigning sex and certainly there is no gender given there's no brain yet.

Nah. Not the same. That is called biology and the human evolves in a male or female naturally. On the other side you have the use of artificial hormones and operations.

Hi, just letting you know intersex people exist. Sometimes when you're wrong, that's an opportunity to grow as a person.