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9 February, 11:07

Why are test crosses used in selective breeding

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Answers (2)
  1. 9 February, 11:39
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    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.
  2. 9 February, 12:59
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    To determine the zygosity of the former by analyzing proportions of offspring phenotypes. Zygosity can either be heterozygous or homozygous.
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