What is a test cross in genetics?
444 views · Published 11 September 2016 · 7:31 · Indexed 6 November 2026
Channel: Nikolay's Genetics Lessons · 2016 · Education
Under the law of dominance in genetics, an individual expressing a dominant phenotype could contain either two copies of the dominant allele or one copy of each dominant and recessive allele. By performing a test cross, one can determine whether the individual is heterozygous or homozygous dominant.
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