fossilesque@lemmy.dbzer0.comM to Science Memes@mander.xyzEnglish · 8 个月前Dunning-Krugerlemmy.dbzer0.comexternal-linkmessage-square237linkfedilinkarrow-up11.77Karrow-down162
arrow-up11.71Karrow-down1external-linkDunning-Krugerlemmy.dbzer0.comfossilesque@lemmy.dbzer0.comM to Science Memes@mander.xyzEnglish · 8 个月前message-square237linkfedilink
minus-squaredondelelcaro@lemmy.worldlinkfedilinkEnglisharrow-up2·8 个月前YY is non viable; the X chromosome has many genes which are essential. You can be XY, female, and fertile, but it’s pretty rare.
YY is non viable; the X chromosome has many genes which are essential. You can be XY, female, and fertile, but it’s pretty rare.