What type of cross is used to determine if an individual with the dominant form of a trait is homozygous or heterozygous?
A)double cross
B)dihybrid cross
C)reciprocal cross
D)test cross
E)back cross

Question

Quizplus · Accepted Answer

A test cross is used to determine if an individual with the dominant form of a trait is homozygous or heterozygous. A test cross involves crossing the individual with an individual who is homozygous recessive for the same trait. If any offspring show the recessive trait, it indicates that the dominant individual was heterozygous. If all offspring show the dominant trait, it indicates that the dominant individual was homozygous dominant.

What Type of Cross Is Used to Determine If an Individual