Question

this is about punnett squares!! the question is below in the picture. please help me fill out the graph also. thank you so much!! having to redo this because the image didnt attach.

Answer 1

a. Child with blue eyes = 25% chance

b. Child with brown eyes = 75% chance

Step-by-step explanation:

parental phenotype: brown eyes 》brown eyes

parental genotype: Bb 》 Bb

gametes: (B) (b) 》 (B) (b)

random fertilization: (punnet square)

B b

B BB Bb

b Bb bb

f1 generation phenotype: Brown eyes 》Blue eyes

f1 generation genotype: BB, Bb, Bb, 》bb

ratio: 3 : 1

percentage: 75% 》25%

( the symbols " 》" was used as a divider that means brown eyes versus blue eyes etc. so you can see more clearly the comparison between both genes)