Linkage of hereditary units was discounted by__________________?

Related Mcqs:

1. As a result of linkage and crossingover _____________________?

   A. Chromatids become chromosomes B. Nuclear division come to close C. Chromosomes become half in number D. Exchange of chromosomal material...

2. Maize has 10 pairs of chromosomes. how many linkage groups will be present if all the genes are mapped__________________?

   A. 10 B. 20 C. 40 D. 15...

3. The first attempt to show linkage in plants were done in____________________?

   A. Lathers odorous B. Another Lamarckian C. Possum sativa D. Zeal Mays...

4. Hereditary variations in plants have been produced by the use of________________?

   A. DDT B. X-rays C. Gibberrellic acid D. Auxins...

5. The branch of science which deals with hereditary variation is called___________________?

   A. Genetics B. Embryology C. Biology D. Histology...

6. Concept of ideotype was coined by__________________?

   A. Oat B. Sorghum C. Wheat D. Rice...

7. The term useful heterosis was first used by__________________?

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

8. Top cross was first suggested by__________________?

   A. Simmonds (1979) B. East (1908) C. Davenport (1908) D. Davis (1927)...

9. Srought is indicated by__________________?

   A. Increase in proline level B. Increase in ethylene level C. leaf rolling D. all the above...

10. First intergeneric hybrid between radish and cabbage was made by__________________?

    A. Jones (1917) B. Muller (1927) C. Fray (1966) D. Karechenko (1927)...