Principles of Inheritance and Variation Question 51

51. In order to find out the different types of gametes produced by a pea plant having the genotype $AaBb$, it should be crossed to a plant with the genotype:

(a) $AABB$

(b) $AaBb$

(c) aabb

(d) aaBB

Show Answer

Answer : c

Hints & Solution

(c) In order to find out the gamete or the genotype of an unknown individual, scientists perform a test cross. In test cross, the individual in question is crossed with the homozygous recessive parent. Hence the answer is aabb.