Monohybrid Review

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A tall plant (T) is dominant to short plant (t). If all offspring of a cross are heterozygous what are the genotypes of the parents?

Yellow pea pods (Y) are dominant over green pods (y). A heterozygote is crossed with a homozygour dominant plant. What are the possible genotypes?

What is an allele?

A heterozygous tall plant (Tt) is crossed with another heterozygous tall plant. What percent of the plants should have a tall phenotype?

In rabbits, grey hair is dominant to white and black eyes are dominant to red eyes. A homozygous grey, black eyed rabbit is crossed with a homozygous white, red eyed rabbit. What percentage of their children will have grey fur and black eyes?

Phenotype refers to ___________ , while genotype refers to _________.

If one fruit fly is heterozygous (red) and the other is homozygous recessive (white), what percent of the offspring should have been expected to have white eyes?

Which of these allele combinations are heterozygous?