Question

When a heterozygous dominant is crossed with homozygous recessive than ratio of progeny will be [CPMT 1998]
A) 1 : 2
B) 2 : 1
C) 3 : 1
D) 1 : 1

Answer 1

its D .When a heterozygous dominant is crossed with homozygous recessive, it is called test cross and the ratio is 1:1