Dihybrid Punnett Squares

Front

B = brown eyes
b = blue eyes
What is true about these two brothers that have brown eyes?
One has genotype BB the other Bb.

Back

they have same phenotype but different genotypes

Front

Possible alleles a parent with genotype GgBb could donate to gametes.

Back

GB, Gb, gB, gb

Front

How many offspring will you have in a dihybrid cross?

Back

16

Front

What percentage of the offspring of the cross BbTt x BBtt will have black fur and long tails?

Back

50%

Front

What genotype is missing from this Punnett Square?

Back

RrYy

Front

Based off this Punnett Square, what fraction of the offspring will have wrinkled, yellow seeds?

Back

3/16

Front

Fraction of offspring from AaBB x Aabb that will be heterozygous for both traits (e.g., AaBb)?

Back

1/2

Front

Assume mom's gametes are on the left, what is her genotype? Options: TTZz, TtZz, ttZZ, TtZZ

Back

TtZz

Front

Assume dad's gametes are on top, what is his genotype?

Back

AaPp

Front

Genotype of a heterozygous green watermelon (green rinds are dominant to striped rinds).

Back

Gg