Posted: November 30th, 2016

Determine the genotypic and phenotypic ratio of the cross: heterozygous female X male disease without the disease

The Duchnne muscular dystrophy is a sex-linked disease is passed through a recessive allele. Determine the genotypic and phenotypic ratio of the cross:

1. heterozygous female X male disease without the disease 2. women with the disease x men without the disease 3. women without the disease homozygous x man with the disease

How much is the likelihood of men and women with the disease for the three cases?