結果 : what does two y chromosomes mean
4:15

The myth of the "supermale" and the extra Y chromosome

Vox
3,736,441 回視聴 - 9 年前
2:25

X and Y chromosomes explained

MooMooMath and Science
130,255 回視聴 - 5 年前
4:28

“I Was Born With An Extra Chromosome” | Listen Up | ABC Science

ABC Science
3,152,081 回視聴 - 2 年前
2:57

Is a YY chromosome possible?

Λsk Λbout Insights
2,521 回視聴 - 3 年前

-
13:40

Science Proves There are More than Two Human Sexes

SciShow
1,755,324 回視聴 - 4 年前
2:56

Is the Y Chromosome Disappearing?

SciShow
759,193 回視聴 - 8 年前
6:53

Inheritance Explained || How do we inherit features from our parents?

Science Sauce
195,336 回視聴 - 1 年前
12:06

Why Y Chromosomes Might Disappear

SciShow
2,237,989 回視聴 - 2 年前
0:40

Can a person have 2 Y chromosomes?

Ask & Answered
7 回視聴 - 2 か月前
2:11

Sex Determination: Who is responsible for the gender of a new born baby?

The Practical School
532,988 回視聴 - 5 年前
4:05

Mom vs. Dad: What Did You Inherit?

AsapSCIENCE
2,077,012 回視聴 - 6 年前
2:35

What decides the gender of a baby ?

The Science Mirror
182,987 回視聴 - 5 年前
3:45

How is the Y chromosome passed down by males through the generations?

FutureLearn
238,289 回視聴 - 8 年前
5:06

Secrets of the X chromosome - Robin Ball

TED-Ed
1,163,711 回視聴 - 7 年前
4:55

Sex Inheritance (XX XY) - GCSE Biology | kayscience.com

KayScience
146,266 回視聴 - 4 年前
9:32

The Two People We're All Related To

PBS Eons
4,182,504 回視聴 - 5 年前
6:45

What can DNA tests really tell us about our ancestry? - Prosanta Chakrabarty

TED-Ed
1,156,629 回視聴 - 4 年前
3:08

XYY Nondisjunction Diagram

Emily Pohlonski
23,985 回視聴 - 6 年前
7:33

Chromosomes and Karyotypes

Amoeba Sisters
1,788,284 回視聴 - 6 年前
8:52

Jacob's Syndrome | A Y-Chromosome Aneuploidy

Catalyst University
27,779 回視聴 - 4 年前