Mendel's Law of Segregation is Supported by a __________ Testcross

Question

Mendel's Law of Segregation is supported by a __________ testcross ratio.
A)2:1
B)5:2
C)3:2
D)1:1
E)3:1

Accepted Answer

Mendel's Law of Segregation predicts that a testcross between a heterozygous individual and a homozygous recessive individual will produce offspring in a 1:1 ratio of dominant to recessive phenotypes.