PPT Slide

?

m -1/2a

m+1/2a

m -1/2a

m+1/2a

Grand progeny

Average phenotype (or son’s EBV from grand progeny

Grand-daughter Design (Weller et al. 1990)

Q

q

M

m

X

?

?

?

?

Grand

Sire

Q

?

M

q

?

m

?

Q

?

m

?

q

?

M

?

Sons

1/2(1-r)

1/2(1-r)

1/2 r

1/2 r

m +1/4 (1-2r)a

Contrast of average EBV of sons mM?-mm? = 1/2 (1-2r)a

m - 1/4 (1-2r)a

r

Average

Genotyped for marker

Previous slide

Next slide

Back to first slide

View graphic version