Life Sci: Punnett Squares

Front

Aa, DD, bB, yy are all examples of

Back

genotypes

Front

AA and Aa always show up as

Back

dominant

Front

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

Back

AA

Front

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

Back

Bb

Front

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

Back

dominant

Front

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?

Back

25%

Front

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

aa

,

AA

,

Aa

Back

aa

Front

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

RR

,

Rr

,

rr

Back

Rr

Front

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

Back

gg

Front

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

Back

Tall = T
Short = t