Heritability Flashcards Preview

Genetics > Heritability > Flashcards

Flashcards in Heritability Deck (7)
Loading flashcards...
1
Q

heritability

A

how much phenotypic variation is due to genetic variation in a population

2
Q

broad sense heritability

A

H^2

ratio of total genetic variance to total phenotypic variance

Vg/Vp

3
Q

narrow sense heritability

A

h^2

ratio of additive genetic variance to the total phenotypic variance

Va/Vp

4
Q

total number of phenotypes =

A

alleles + 1

5
Q

total number of genes

A

(total # phenotypes -1) / 2

6
Q

Phenotypic variation =

A

genetic variation + environmental variation

Vp = Vg + Ve

7
Q

Genotypic variation =

A

additive variation + dominant effects + interactions

Vg = Vd + Va + Vi