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16. Why should the recessive phenotype be used first to determine the q squared value instead of the dominant phenotype to determine the p squared value?

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mickymike92

The recessive phenotype is used first to determine the q squared value because it is only expressed when h0m0zygous.

What is a recessive phenotype?

A recessive phenotype is a phenotype which expresses the recessive trait of a gene.

The recessive phenotype is always h0m0zygous for that triat to be expressed.

In the Hardy-Weinberg equilibrium equation, the allele and phenotype frequencies are given as follows:

  • p^2 + 2pq + q^2 = 1

where;

  • p^2 is the h0m0zygous dominant phenotype frequency
  • 2pq is the heterozygous phenotype frequency
  • q^2 is the h0m0zygous recessive phenotype frequency

Therefore, the recessive phenotype is used first to determine the q squared value because it is only expressed when h0m0zygous.

Learn more about recessive phenotype at: https://brainly.com/question/22117

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