How can you figure out whether an animal is homozygous dominant or heterozygous?

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Biology

Taz

8 June, 08:58

How can you figure out whether an animal is homozygous dominant or heterozygous?

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Coleman Henderson · Answer 1

In a test cross, the organism with the dominant trait is always crossed with an organism with the recessive trait. If any offspring show the recessive trait the unknown genotype is heterozygous. If all the offspring have the dominant trait the unknown genotype is the homozygous dominant.