The alleles for a boy (or girl) are really chromosome pairs. XY make up the genetic material necessary for creating a boy. (XX make up the genetic material necessary for creating a girl).
Alleles
Dominant alleles :-)
The brothers have different alleles. They received different alleles from their parents
Alleles that are the same = homozygous Alleles that are different = heterozygous
A trait controlled by four alleles is said to have multiple alleles.
He has no E alleles.
Alleles
Alleles
Dominant alleles :-)
The brothers have different alleles. They received different alleles from their parents
Alleles that are the same = homozygous Alleles that are different = heterozygous
A trait controlled by four alleles is said to have multiple alleles.
Alleles
Alleles are genes that exist in multiple forms.
unlike alleles
the boys have different alleles
new combinations of alleles