Punnett Squares for One Trait Crosses

Use the following information to answer the following questions...!

TRAIT

DOMINANT ALLELE

RECESSIVE ALLELE

Height

Tall (T)

Short (t)

Eye Color

Brown (B)

Pink (b)

Hair Color

Red (R)

Blonde (r)

1. Set up and fill in a Punnett Square representing the cross of a heterozygous tall with another heterozygous tall.

GENOTYPE: ________________________________________________________________________

PHENOTYPE: _______________________________________________________________________

2. Set up and fill in a Punnett Square representing the cross of a homozygous brown eye with a homozygous pink eye.

GENOTYPE: ________________________________________________________________________

PHENOTYPE: _______________________________________________________________________

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