Inheritance and genes

Suppose chromosome Ace includes the gene for hair texture, chromosome 2 has a gene for eye color, and chromosome 3 has a gene for nose width with the traits for each shown in the table. BLACK cards carry the dominant allele and RED cards carry recessive allele.

Character

Traits

Allele

Hair texture

Dominant-curly

Recessive-straight

H

h

Eye color

Dominant-brown

Recessive-blue

E

e

Nose width

Dominant-wide

Recessive-narrow

N

n

Using the table above, rewrite SueBob’s genotype.
Describe Baby SueBob’s phenotype.
When SueBob grows up, she starts a family with HenryJane. His genotype is HheeNn. Describe HenryJane’s phenotype.
Complete the dihybrid cross to predict the probability of eye color AND nose widths of their children.
SueBob

Phenotypic ratios

Brown eyes and wide nose:

Brown eyes and narrow nose:

Blue eyes and wide nose:

Blue eyes and narrow nose: