Punnett Squares

Front

Heterozygous is when...

Back

the alleles are different

Front

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

Back

dominant

Front

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

Back

gg

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 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?

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

Front

Dominant alleles are represented by a:

Back

capital letter

Front

Aa, DD, bB, yy are all examples of

Back

genotypes