The myth of the "supermale" and the extra Y chromosome
X and Y chromosomes explained
Is the Y Chromosome Disappearing?
Why Y Chromosomes Might Disappear
Sex Determination: Who is responsible for the gender of a new born baby?
Sex determination by the Y chromosome
Role of Y-chromosome in Fertility&how does it leads to Infertility?
How is the Y chromosome passed down by males through the generations?
Secrets of the X chromosome - Robin Ball
Why is the Y chromosome so short? Is it still shrinking?
Y Chromosome (Y-DNA) Testing Basics
Human Y Chromosome Finally Sequenced! Turns Out to Be Really Weird
What is the Y-DNA test? | Genetic Genealogy Explained
Migration path of Y-chromosome Adam
Loss of Y chromosome in men leads to heart disease
Inheritance Explained || How do we inherit features from our parents?
Evolution of the Y Chromosome
Y Chromosome and Male Development
The Y Chromosome is Disappearing - What's Next for Mankind?
X and Y chromosome problem