The chromosome number also differs between species.
The Y chromosome is passed only from father to son.
The basic chromosome number is 7, with the exception of N.
It became possible to use Y chromosome DNA to study male descent.
The project used Y chromosome, Mitochondrial DNA and Autosomal DNA.
And yet women, who have no Y chromosome, have lower rates of cancer.
However, Y chromosome analysis associated wisent and American bison.
Much of this argument depended on paternal Y chromosome DNA evidence.
The rest of the Y chromosome is passed on to the next generation intact.
melanogaster Y chromosome does contain genes necessary for male fertility.
However, having two X chromosomes and one Y chromosome has similar effects.
The DNA in the human Y chromosome is composed of about 59 million base pairs.
Diseases linked to Y chromosome can be of more common types or very rare ones.
In Drosophila melanogaster, the Y chromosome does not trigger male development.
The specific location of a DNA sequence within a chromosome is known as a locus.
The increased mutation risk for the Y chromosome is reported by Graves as a factor 4.
In mammals, the Y chromosome contains the gene SRY, which triggers testis development.
The human Y chromosome contains over 200 genes, at least 72 of which code for proteins.
pubescens confused, though they are distinct species with different chromosome numbers.
Males have one Y chromosome and one X chromosome, while females have two X chromosomes.