Life Sci: Punnett Squares

Aa, DD, bB, yy are all examples of

AA and Aa always show up as

Which of the following genotypes is homozygous dominant? Options: A, Aa, AA, aa

Which of the following genotypes is heterozygous? Options: Bb, BB, bb, B

In a heterozygous genotype, the ___________ allele takes over in the phenotype.

Brown eyes (B) tend to be dominant whereas blue eyes (b) tend to be recessive. Parents with heterozygous genes want to know: what is the likelihood of them having a child with blue eyes?

Which of the following would complete this Punnett Square?
Options:

aa

AA

Aa

Which of the following must be the father's genotype?

RR

Rr

rr

Genotype for a yellow plant (G = green, g = yellow)

In pea plants, the tall allele is dominant to the short allele. What key would demonstrate this? Options: Tall = T
Short = S, Tall = T
Short = t, Tall = t
Short = T, Tall = TT
Short = tt