General Genetics

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Which of the following matings can produce a child with blood type AB? The letters refer to blood types (phenotypes).

If a person carries two copies of the same allele for a gene the geneticist would describe this person as

Close relatives who mate are more likely to have children with genetic diseases because __________.

Which of these crosses would produce only heterozygous offspring?

A plant with the genotype AABbcc is __________.

A plant with the genotype AABbcc will have the same phenotype as the plant with the genotype _____.

What do the letters Tt mean to a geneticist?

When Mendel crossed pure bred purple pea plants with pure bred white pea plants the F1 offspring were