Principles Of Inheritance And Variation Ques 82
On selfing a plant of $F_1$ generation with genotype “AABbCC”, the genotypic ratio in $F_2$ generation will be 1:2:1 for AA, Aa, and aa for the gene with heterozygosity, while the other genes will show 1:1:1:1 for CC, Cc, and cc.
[2002]
(a) $3: 1$
(b) $1: 2: 1$
(c) $9: 3: 3: 1$
(d) $27: 9: 9: 9: 3: 3: 3: 1$
Show Answer
Answer : b
Hints & Solution
(b)

AABBCC - 1, AABbCC - 2, AAbbCC - 1
Genotypic ratio $=1: 2: 1$