A. Nelson (1973)
B. Flor (1956)
C. Robinson (1971)
D. Vander plank (1963)
Related Mcqs:
- Concept of gene for gene hypothesis was developed in____________________?
A. Linseed
B. Oat
C. Gram
D. Tomato - Dominance hypothesis of heterosis was first proposed by__________________?
A. Davenport (1908)
B. Shull (1914)
C. Bruce (1910)
D. Davis (1927) - A gene which enhances the natural mutations rate of another gene in the same genome is kanown as___________________?
A. Mutable gene
B. Mutator gene
C. Recepror gene
D. Articulator gene - The suppression of the action of a gene or genes by a gene or genes not allelomorphic to these suppressed is known as __________________?
A. Episode
B. Co dominance
C. Epistasis
D. Dominance - The term gene was coined by__________________?
A. Batson
B. Wilhelm Johannsen
C. Punned
D. Darlington - Concept of combining ability as measure of gene action was first proposed by___________________?
A. Sprague and Tatum (1942)
B. Cavalli (1952)
C. Mather (1956)
D. Wright (1951) - Shull and East (1908) proposed over dominance hypothesis of hetrosis in_________________?
A. Barley
B. wheat
C. Maize
D. None of the above - In a population gene frequencies remain constant when there is_________________?
A. Iubreeding
B. Out breeding
C. Random mating
D. Selective mating - Dee-Geo-Woogen is the source of dwarfing gene in___________________?
A. Wheat
B. Sorghum
C. Maize
D. Rice - Linked gene may be separated by the process of_________________?
A. Evolution may be described as
B. History of development of larger biological units
C. Inheritance of acquired characters
D. Discontinuous genetic variation