Dihybrid Inheritance

Question 1

What’s dihybrid inheritance

Answer 1

How two characters, determined by two different genes located on different chromosomes, are inherited

Question 2

Describe how you would do the cross for dihybrid inheritance

Answer 2

Take each different type of games

E.g. from RrGg it would be

RG. Rg. rG. rg

Then cross these with the other set of gametes to find the offspring

Question 3

What’s the phenotypic ratio for dihybrid cross

Answer 3

9:3:3:1

Question 4

What’s the law of independent assortment

Answer 4

Each member of a pair of alleles may combine randomly with either of another pair