A. Davenport (1908)
B. Shull (1914)
C. Bruce (1910)
D. Davis (1927)
Related Mcqs:
- Shull and East (1908) proposed over dominance hypothesis of hetrosis in_________________?
A. Barley
B. wheat
C. Maize
D. None of the above - The term useful heterosis was first used by__________________?
A. Meredith and Bridge (1972)
B. Richey (1914)
C. Jenkins (1935)
D. Hull (1950) - Gene for gene hypothesis was proposed by__________________?
A. Nelson (1973)
B. Flor (1956)
C. Robinson (1971)
D. Vander plank (1963) - The term heterosis was coined by____________________?
A. Hull (1945)
B. Bruce (1910)
C. East (1908)
D. Shull (1914) - Heterosis can be fully exploited in the form of_____________________?
A. Composites
B. Hybrids
C. Multi lines
D. Synthetics - Heterosis can be fixed by___________________?
A. Apomixis
B. Polyploidy
C. Asexual reproduction
D. All the above - Heterosis results due to____________________?
A. Dominance
B. Overdominance
C. Epistasis
D. All the above - In case of incomplete dominance in the f2 generation_______________________?
A. Ratio of phenotypes is 3:1
B. Ratio of genotypes is 3:1
C. Phenotypic ratio corresponds to the genotypic ratio
D. None of the above - Presence of slight differences in identical twins support the hypothesis that___________________?
A. Single gene may produce multiple effects
B. Dominance may be incomplete
C. The environment effects the expression of genetic character
D. Genetic trails are influence by many genes - Concept of gene for gene hypothesis was developed in____________________?
A. Linseed
B. Oat
C. Gram
D. Tomato
