Question

Character Traits Allele Hair texture Dominant-curly Recessive-straight H h Eye color Dominant-brown Recessive-blue E e Nose...

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

SueBob’s genotype is: HHEeNn

HenryJane’s genotype is: HheeNn

What are the expected phenotypic ratios of their offspring? You can write your responses are a fraction or decimal

Brown eyes and wide nose:
Brown eyes and narrow nose:
Blue eyes and wide nose:
Blue eyes and narrow nose:

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Answer #1

we will form table for solving given cross:

HHEeNn *  HheeNn

SueBob’s genotype combinations are as follow: HEN, HeN, Hen, HEn

HenryJane’s genotype combinations are as follow: HeN, Hen, heN, hen

HEN HeN Hen HEn
HeN HHEeNN HHeeNN HHeeNn HHEeNn
Hen HHEeNn HHEENn HHeenn HHEenn
heN HhEeNN HheeNN HheeNn HhEeNn
hen HhEeNn HheeNn Hheenn HhEenn

By evaluative phenotypes for following results as per given in table (Question) we determined fractions of individuals in following category

Brown eyes and wide nose- 7/16

Brown eyes and narrow nose- 2/16

Blue eyes and wide nose- 5/16

Blue eyes and narrow nose- 2/16

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