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History, 10.12.2020 01:00 damientran

If someone has a dominant phenotype, their genotype can either be heterozygous or homzygous. The diagram shows a Punnett square for a particular trait among two parents, but one letter of a parent’s genotype is missing. Which describes the letter that belongs where the question mark is?

T because there are offspring that are heterozygous
T because there are offspring that are homzygous
t because there are offspring that are homzygous.
t because there are offspring that are heterozygous.

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