Plant Breeding and Genetics

Thymine

Uracil

Cystine

Guanine

Amitosis

Meiosis

Mitosis

all the above

Zygote will have 4 chromosomes

Gametes will have 4 chromosomes

Gametes will have 8 chromosomes

Zygote will have 16 chromosomes

Physiological factors

Biochemical factors

Morphological factors

all the above

Starch synthesis

Fat synthesis

Protein synthesis

Anaerobic respiration

Bruce (1910)

Hull (1945)

East (1908)

Shull (1914)

9:3:3:1

9:9:9:3:3:3:1

9:7

1:4:6:4:1

Gerstel (1950)

Koelreuter (1763)

East (1940)

None of these

Fossils

Conversion pf organism to change of environment

Adaptations through genervation

Struggle for existence

Jones and Davies (1944)

Nilson (1900)

Bruce and Keeble (1908)

Devaries and Correns (1900)