Punnett Squares

Front

Heterozygous is when...

Back

the alleles are different

Front

T - tall and t = short
In the punnett square below, what belongs in the missing square?

Back

tt

Front

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

Back

gg

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

Which of the following is NOT a genotype? Options: heterozygous, a trait, Bb, homozygous recessive

Back

a trait

Front

Which of the following alleles is homozygous (purebred) recessive? Options: Tt, tt, TT, t

Back

tt

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%

Front

How many alleles (letters) do each person carry for a trait?

Back

2

Front

How many alleles (letters) does a child get from each parent for each trait?

Back

1