Question

A tall homogeneous plant (TT) is crossed with a tall heterogeneous plant (Tt) what is the genotypic ratio?

A. 2 TT: 2 Tt
B. TT: 2 Tt
C. 2 TT: 1 Tt: 1 tt
D. 4 tt: 0 other ​

Answer 1

Answer:

In a cross between heterozygous tall plants (Tt) and a homozygous dwarf plant (tt), the ratio in the offspring shall be 1 tall : 1 dwarf. This is because the heterozygous plant will make two types of gametes, one type having T allele and the other having t allele.

Answer 2

Answer:

D option is the answer of this question