In fact, if anything, the Y chromosome may be a bit older.

The Y chromosome is passed only from father to son.

For a girl born with a Y chromosome, this is pretty big.

If you've got a job and/or a Y chromosome, stay away from this movie.

And the Y chromosome has not lost any genes for at least 25 million years.

The Y chromosome not only documents where people went but how their lives changed.

I would like to see the equivalent research done on the Y chromosome as well.

This is obviously came from a male because it has the Y chromosome down here.

We were investigating the Y chromosome, from father to son, in our project.

She said it was not known what would happen once the Y chromosome disappeared.

In other words, men will not fade away, even if their Y chromosomes do.

A vote cast on the basis of a Y chromosome?

Analysis of the Y chromosome has already yielded interesting results.

A small number of mammals also lack a Y chromosome.

Other studies of the male Y chromosome reached similar conclusions.

I was pretty sure it didn't have to do with a shortage of Y chromosomes.

Other related species have even lost their Y chromosomes altogether.

That's what the double - Y chromosome did to him.

Genes on the Y chromosome are responsible for male sexual development.

Almost certainly the crucial genes are found on the Y chromosome.

The difference in genes between men and women is simply the Y chromosome, which has nothing to do with intelligence.

If you suffered from the curse of the y chromosome.

The rest of the Y chromosome is passed on to the next generation intact.

In 2003, his research group sequenced the human Y chromosome.

All the cells then made from this cell will lack the Y chromosome.