In humans,aniridia,a type of blindness,is due to a dominant allele A.Migraine headaches are due to another dominant allele M.If a man who suffers from both conditions (AaMm)marries a woman who suffers from both (AaMm),what are the chances of an offspring having both traits?
A)9/16
B)3/16
C)1/2
D)1/16
E)4/16

Question

Quizplus · Accepted Answer

The man is AaMm and he marries a woman who is AaMm. This is a dihybrid cross and would produce AAMM, AAMm, AAmm, AaMM, Aamm, aaMM, aaMm, or aamm as genotypes the phenotypes of these would be 9 dominant for both traits to 3 recessive for the first trait and dominant for the second trait to 3 dominant for the first trait and recessive for the second and 1 recessive for both traits.Bloom's

In Humans,aniridia,a Type of Blindness,is Due to a Dominant Allele