Question

Clarify why test crosses are used in selective breeding.

Answer 1

A standard test cross will reveal whether is the genotype of the parent under test is homozgyous or heterozygous.

Answer 2

A test cross is used to determine if an individual exhibiting a dominant trait is homozygous or heterozygous for that trait. More simply put, test crosses determine the genotype of an individual with a dominant phenotype.

Test crosses involve breeding the individual in question with another individual that expresses a recessive version of the same trait. If all offspring display the dominant phenotype, the individual in question is homozygous dominant; if the offspring display both dominant and recessive phenotypes, then the individual is heterozygous

Answer 3

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Answer 4

cow*

Answer 5

Sure

Answer 6

thanks

Answer 7

thxs for the medal

Answer 8

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