Dominance hypothesis of heterosis was first proposed by__________________?

Related Mcqs:

1. Shull and East (1908) proposed over dominance hypothesis of hetrosis in_________________?

   A. Barley B. wheat C. Maize D. None of the above...

2. The term useful heterosis was first used by__________________?

   A. Meredith and Bridge (1972) B. Richey (1914) C. Jenkins (1935) D. Hull (1950)...

3. Gene for gene hypothesis was proposed by__________________?

   A. Nelson (1973) B. Flor (1956) C. Robinson (1971) D. Vander plank (1963)...

4. The term heterosis was coined by____________________?

   A. Hull (1945) B. Bruce (1910) C. East (1908) D. Shull (1914)...

5. Heterosis can be fully exploited in the form of_____________________?

   A. Composites B. Hybrids C. Multi lines D. Synthetics...

6. Heterosis can be fixed by___________________?

   A. Apomixis B. Polyploidy C. Asexual reproduction D. All the above...

7. Heterosis results due to____________________?

   A. Dominance B. Overdominance C. Epistasis D. All the above...

8. 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...

9. 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...

10. Concept of gene for gene hypothesis was developed in____________________?

    A. Linseed B. Oat C. Gram D. Tomato...