Punnett Square Practice

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

B = brown fur  b = white fur
In the punnett square, what is the probability for white fur? Options: 0%, 25%, 50%, 75%

Back

50%

Front

In plants, tall (T) is dominant to short (t). Perform the following cross: Tt x Tt. What is the probability of producing a short plant?

Back

25%

Front

What is the probability of heterozygous offspring? Options: 25%, 50%, 0%, 100%

Back

50%

Front

What allele combination should go in the missing box? Options: AA, Aa, aa, none of these

Back

Aa

Front

Genotype of red-flowering plant in a species where red (R) is dominant over white (r).

Back

RR or Rr

Front

What is the phenotype of the offspring? (A-Brown hair; a-blond hair) Options: 50% Brown Hair and 50% Blond Hair, 25% Brown Hair and 75% Blond Hair, 75% Brown Hair and 25% Blond Hair, 0% Brown Hair and 100% Blond Hair

Back

75% Brown Hair and 25% Blond Hair

Front

A homozygous dominant brown mouse is crossed with a heterozygous brown mouse (tan is the recessive color).

Back

100% brown

Front

If a heterozygous parent and a homozygous recessive parent mate, what percentage of their offspring will be dominant?

Back

50%

Front

Two brown eyed parents (Bb) have a baby. What is the chance the baby is blue eyed? Options: 0 %, 25%, 50%, 75%

Back

25%