The concept of diallel selective mating was developed by____________________?

A. brim (1966)
B. Jensen (1952)
C. Jensen (1970)
D. Russel (1978)

Convergent improvement was proposed by________________?

A. Jones (1920)
B. Richy (1920)
C. Hays (1919)
D. East (1920)

Reciprocal recurrent selection was proposed by___________________?

A. Hays and limner (1950)
B. Constock et al (1949)
C. Allard (1955)
D. Hull (1935)