In order to find out the different types of gametes produced by pea plants having the genotype AaBb, it should be crossed to a plant with the genotype :
A
AaBb
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B
aabb
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C
AABB
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D
aaBB
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Solution
The correct option is B aabb A test cross is a way to explore the genotype of an organism. Early use of the test cross was as an experimental mating test used to determine what alleles are present in the genotype. A test cross involving the crossing of F, individual with the homozygous recessive parent. It is done to find out homozygous and heterozygous individuals. So AaBb should be crossed with aabb.