this post was submitted on 14 Mar 2025
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Science Memes

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[–] crazyhotpasta@lemm.ee 6 points 4 days ago

Dunning-Kruger reminds me of this one president and his cabinet.

[–] elfpie@beehaw.org 5 points 4 days ago (1 children)

Reading the discussions and some of the disagreements, a correction is needed to be more precise.

Some XX people will be Assigned Male At Birth. Some XY people will be Assigned Female At Birth.

[–] Tlaloc_Temporal@lemmy.ca 3 points 4 days ago

Some XX people live their entire lives as men without ever knowing otherwise, and the same happens with XY individuals living as women. Even having children won't reveal the apparent discrepancy, unless they need certain tests done.

[–] OsrsNeedsF2P@lemmy.ml 26 points 6 days ago (19 children)

Can someone explain to me how some XX people become cis male?

[–] evasive_chimpanzee@lemmy.world 25 points 6 days ago* (last edited 6 days ago) (1 children)

https://static.scientificamerican.com/sciam/assets/File/Pitch_sketch_final.png?w=2000

This is the best resource I've seen to show things relatively simply.

The TL;DR is that a whole "Y" chromosome isn't exactly responsible for "maleness", the SRY gene is. It's normally on the Y chromosome, but mutations can occur placing that gene onto the X chromosome. Inversely, someone could inherit a Y chromosome without that gene, in which case they would develop with female traits.

It's not considered trans because someone with 46XX plus the SRY gene would develop male genitalia, be identified as male at birth, and likely identify themselves as male. For some types of these conditions, there are plenty of people walking around with no clue that their chromosomes don't match their gender.

Disclaimer: I'm not a geneticist, so i could have explained something a little off.

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[–] OmnipotentEntity@beehaw.org 22 points 6 days ago* (last edited 6 days ago)

I googled it for you.

https://en.wikipedia.org/wiki/XX_male_syndrome

In 90 percent of these individuals, the syndrome is caused by the Y chromosome's SRY gene, which triggers male reproductive development, being atypically included in the crossing over of genetic information that takes place between the pseudoautosomal regions of the X and Y chromosomes during meiosis in the father.[2][7] When the X with the SRY gene combines with a normal X from the mother during fertilization, the result is an XX genetic male. Less common are SRY-negative individuals, those who are genetically females, which can be caused by a mutation in an autosomal or X chromosomal gene.[2] The masculinization of XX males is variable.

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[–] Sunshine@lemmy.ca 4 points 4 days ago

Go Stephanie!

[–] LongLive@lemmy.world 13 points 5 days ago* (last edited 4 days ago) (2 children)
[–] mexicancartel@lemmy.dbzer0.com 8 points 5 days ago (1 children)

Error: url1 and url2 are the same

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[–] alykanas@slrpnk.net 19 points 6 days ago* (last edited 6 days ago) (13 children)

How do you know if someone has a PhD.?

They tell you

Never not true

[–] Franklin@lemmy.ca 32 points 6 days ago

True, but I do think it was warranted in this case.

[–] dQw4w9WgXcQ@lemm.ee 27 points 6 days ago

This is putting confirmation bias to the extreme.

[–] thevoidzero@lemmy.world 26 points 6 days ago (1 children)

Well you don't know people with PhD that don't tell you they have one

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[–] RumorsOfLove@lemmy.dbzer0.com 5 points 5 days ago (12 children)

Critically thinking now, how strong is the evidence here?

[–] RumorsOfLove@lemmy.dbzer0.com 1 points 3 days ago

My take is that sex-linked characteristic are grouped together due to prehistoric and historic evolution. Since I dont have a womb my tits would not have been worth the energy cost in an ancestral environment. Therefore, they are not coded in my DNA and I have to dose to maintain them.

There are people who are different, that is a fact.

Some folks are given "PhD", others are kidnapped and sent to concentration camps. Is the education system legitimate, or corrupted by authority?

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[–] Zerush@lemmy.ml 7 points 5 days ago* (last edited 5 days ago)

....and all in between, hormonal and/or physically. "Only two genders" is false

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