RosefanyFloriTrini RosefanyFloriTrini

Today at 1:26 AM
Biology

Answered

clarify why test crosses are used in selective breeding.

Answer :

emmarobert emmarobert

Today at 1:31 AM

A test cross can be used to determine the genotype of the parent (whether it is homozygous or heterozygous for a specific trait).
AA x aa = all Aa offspring, dominant phenotype.

Aa x aa = 1/2 Aa dominant and 1/2 aa recessive

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