Genetics and Health Week 9

Question 1

What are the three factors of the complex genetic traits?

Answer 1

1) Alleles of specific genes
2) Environmental risk factors
3) Random Chance

Question 2

Variance

Definition

Equation

Answer 2

Measure of how much individuals vary from the group mean

Vp = Vg + Ve

Question 3

What are the three components of Genetic Variance?

ADE

Equation

Answer 3

Additive Variance: inheritance of a particular allele

Dominance Variance: Interactions between alternative alleles at a locus

Epistatic Variance: Interaction between different alleles in different loci

Vg = Va + Vd + Vi

Question 4

Define Additive Variance

Answer 4

Additive Variance: inheritance of a particular allele

Question 5

Define Dominance Variance

Answer 5

Dominance Variance: Interactions between alternative alleles at a locus

Question 6

Define Epistatic Variance

Answer 6

Epistatic Variance: Interaction between different alleles in different loci