Assumed simple dominant and recessive genetics apply for this discussion. You ar

Question

Assumed simple dominant and recessive genetics apply for this discussion. You are looking at two people, one shows a dominant phenotype (in this example a tall person) and the other a recessive phenotype (in this example a short person). Is it possible to positively determine the genotype of either person? If so which one and why. Explain your answer. Assumed simple dominant and recessive genetics apply for this discussion. You are looking at two people, one shows a dominant phenotype (in this example a tall person) and the other a recessive phenotype (in this example a short person). Is it possible to positively determine the genotype of either person? If so which one and why. Explain your answer. Assumed simple dominant and recessive genetics apply for this discussion. You are looking at two people, one shows a dominant phenotype (in this example a tall person) and the other a recessive phenotype (in this example a short person). Is it possible to positively determine the genotype of either person? If so which one and why. Explain your answer.

Explanation / Answer

When the person in question shows the recessive traits for an allele, we can be sure the person is homozygous recessive. But when the person shows the dominant trait, it is hard to tell if he is homozygous or heterozygous for the trait, as both genotypes have the same phenotype.

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