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Question 40

A pea plant has the genotype Tt. Which description fits it?

  1. Homozygous, because both alleles are the same
  2. Heterozygous, because the two alleles differCorrect answer
  3. Homozygous dominant, because a capital letter appears
  4. It has no genotype until it is bred

Explanation

The two symbols stand for different forms of one gene, one dominant and one recessive, and a genotype of that mixed kind has its own name. A genotype counts as the matching kind only when both symbols are the same, which is not the case when a capital and a lower-case letter appear together.

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Question 40: A pea plant has the genotype Tt. Which description fits it? · Genetics Basics · Questena