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joja [24]
3 years ago
8

Why are test crosses used in selective breeding

Biology
2 answers:
UNO [17]3 years ago
7 0
The purpose of a test cross is to determine if this individual is homozygous dominant or heterozygous. Test crosses involve breeding the individual in question with another individual that expresses a recessive version of the same trait.
UkoKoshka [18]3 years ago
4 0
To determine the zygosity of the former by analyzing proportions of offspring phenotypes. Zygosity can either be heterozygous or homozygous.
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