First slide

Inheritance of Two Genes

Question

In the inheritance of two genes with respect to seed color and seed shape of pea, the following genotypes neither seen in $F_{1}$ generation nor in Parental generation.
A. Rr Yy
B. rrYy
C. RRYy
D. RR YY

Easy

A

A and B
B

C and D
C

A and D
D

B and C

Solution

The genotypes rr Yy (green yellow) and RR Yy (round and yellow) are not seen in both $F_{1}$ and P generation. Rr Yy genotype for round and yellow is seen in $F_{1}$ generation and $F_{2}$ generation. Genotype RR YY for round and yellow is seen in P generation and $F_{2}$ generation.

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