A plant with a genotype AaBb is crossed with a plant having the genotype aabb. The genotype of $F_{1}$ would be

AaBb, AABB

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aabb, aaBb

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aaBB, AABb

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AaBb, Aabb, aaBb, abab

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Solution

The correct option is D AaBb, Aabb, aaBb, abab

A plant with genotype AaBb is crossed with another plant with genotype aabb. The genotype of the progeny will be AaBb, Aabb, aaBb, aabb. This cross is called a test cross. The crossing of F₁ individual with a homozygous recessive parent is called Test cross. It is used to know, whether F₁ is homozygous or heterozygous.
So, the correct option is ‘AaBb,Aabb, aaBb, aabb.

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A plant with a genotype AaBb is crossed with a plant having the genotype aabb. The genotype of F1 would be

A plant with a genotype AaBb is crossed with a plant having the genotype aabb. The genotype of $F_{1}$ would be