Principles of Inheritance and Variation Question 89
89. In a dihybrid cross $AABB \times$ aabb, $F_2$ progeny of $A A B B, A A B b, A a B B$ and $A a B b$ occurs in the ratio of
(a) $1: 1: 1: 1$
(b) $9: 3: 3: 1$
(c) $1: 2: 2: 1$
(d) $1: 2: 2: 4$
Show Answer
Answer : d
Hints & Solution
(d) Genotype is the genetic make up of an organism. The given 4 genotypes are present in $1: 2: 2: 4$ ratio.
