First slide

Inheritance of Two Genes

Question

Among the following, choose the genotypes of green and round seeded plants obtained in F₂ generation of dihybrid cross carried out by Mendel.
A. yy RR
B. Yy rr
C. yy rR
D. YY Rr

Easy

A

A and B
B

C and D
C

A and C
D

B and D

Solution

The mendelian recombinants with the phenotypes green and round seeded plants have the genotypes as yyRR and yyRr.
The genotype Yy rr is for Yellow Wrinkled seeded plants.
The genotype YY Rr is for Yellow Round seeded plants.

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