Asked Sep 14, 2019

in a test cross, a pure-breeding plant is crossed with a plant suspected to be heterozygous (Aa). what is the gentype of the pure-breeding plant


Expert Answer

Step 1

A test cross is defined as the genetic cross that occurs between a homozygous recessive individual and a corresponding suspected heterozygote. The purpose of the test cross is to determine if the genotype of the individual is homozygous dominant or recessive. 

Step 2

In a test cross, the suspected heterozygote is tested by crossing it with a known homozygous recessive. Hence, in the given cross between a pure-b...

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