A. W. Batson and B.C Pun net
B. T.B. Morgan and G. Mendel
C. W.S. Sutton and K. R. Porter
D. C.B. Bridges and G.H. Shull
Related Mcqs:
- 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 - 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 - The first attempt to show linkage in plants were done in____________________?
A. Lathers odorous
B. Another Lamarckian
C. Possum sativa
D. Zeal Mays - Hereditary variations in plants have been produced by the use of________________?
A. DDT
B. X-rays
C. Gibberrellic acid
D. Auxins - The branch of science which deals with hereditary variation is called___________________?
A. Genetics
B. Embryology
C. Biology
D. Histology - Concept of ideotype was coined by__________________?
A. Oat
B. Sorghum
C. Wheat
D. Rice - The term useful heterosis was first used by__________________?
A. Meredith and Bridge (1972)
B. Richey (1914)
C. Jenkins (1935)
D. Hull (1950) - Top cross was first suggested by__________________?
A. Simmonds (1979)
B. East (1908)
C. Davenport (1908)
D. Davis (1927) - Srought is indicated by__________________?
A. Increase in proline level
B. Increase in ethylene level
C. leaf rolling
D. all the above - First intergeneric hybrid between radish and cabbage was made by__________________?
A. Jones (1917)
B. Muller (1927)
C. Fray (1966)
D. Karechenko (1927)
