danmaku icon

XXN’s mind-blowing question: Why are chromosomes XY instead of XV?

88 ViewsJul 11, 2026

warn iconRepost is prohibited without the creator's permission.
creator avatar

Recommended for You

  • All
  • Anime
1:45

Elementary school students dance to the song "Queen Card" by (G)I-DLE

miaoxiaoyingdemiao

37 Views

1:15

Korean dance students, elementary school students dancing to TWICE's 'ONE SPARK'

hallyugroove

3 Views

1:29

Elementary school students dance just right [Yokai Gymnastics No. 1]

Xiaozhishidaren

18 Views

0:28

Elementary school students: The difference between online and real...Are all elementary school stude

Xiaowuxiehezhuxiaotang

251 Views

2:00

I’ve gotten so fat I can’t fit into my clothes! Waaahhhh

freddy_conley

1.1K Views

0:18

【Zhenzhen】Beijing International Film Festival Red Carpet Highlights 210917

zhenbaoのzhongjizhan

82 Views

0:31

Can you believe she’s 9 years old?

moon_ying1

64 Views

9:07

How safe is Kashgar in Xinjiang? Just look at how innocent these kids are!

linc__________

21 Views

4:03

Waxue Mama’s Livestream Snippets

kristi_hurley_02_05

25 Views

2:26

You can try making delicious salted egg yolk mooncakes too.

balingbiaozi

74 Views

0:11

Guess whether this is AI or a real person? Nowadays, real people are more like AI, and AI is more li

beijinianyu--

107 Views

1:47

The look at the "trash fish": full of disgust

sowon_________

91 Views

0:22

A Sense of Ceremony When Going Out

aixinjueluoliangququ

13 Views

2:07

The film “Niu Lai” sold out its very first screening in Dalian! The cinema manager is curious why ev

huiをmiaoきのnvのzi_02

28 Views

0:52

Next time, I’ll definitely have to prepare in advance.

jiangbingbingya

10 Views

1:23

I'm an elementary school student, and I've joined Bilibili. Please support my dream of making it int

milkのdragon

10 Views

3:34

Elementary school students, junior high school students, high school students, college students, whi

lang___ianyagd

35 Views

2:20

10-year-old elementary school student

langfanyun__

108 Views

0:08

Today’s Spider-Man

Damon12121

13 Views

1:21

What’s it like to be in a relationship with a domineering, sadistic partner?

aishidexiaodai

37 Views

Home>XXN’s mind-blowing question: Why are chromosomes XY instead of XV?>