Punnett Squares

Front

What you see, or the physical appearance.

Back

Phenotype

Front

In pea plants, the tall allele is dominant to the short allele. What key would demonstrate this?

Back

Tall = T
Short = t

Front

What are the parents' genotypes? Options: Homozygous for brown eyes, Heterozygous for brown eyes, Homozygous for blue eyes, Heterozygous for blue eyes

Back

Heterozygous for brown eyes

Front

Phenotype for the recessive trait: brown eyes, green eyes, blue eyes

Back

blue eyes

Front

What is the yellow seed genotype?

Back

AA or Aa

Front

What genotype would go in box 2? Options: BB, Bb, bb

Back

Bb

Front

What genotype would go in box 3? Options: BB, Bb, bb

Back

Bb

Front

What genotype would go in box 1? Options: BB, Bb, bb

Back

BB

Front

T - tall and t = short

In the punnett square below, what belongs in the missing square?

Options: tt, Tt, Bb, TT

Back

tt

Front

What are the expected phenotypes of the offspring?

(A-Brown fur color; a-white fur color)

Back

75% Brown fur and 25% White fur