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.Management Sciences
Category: Plant Breeding and Genetics
In allogamous species, a true breeding line obtained by continuous inbreeding is__________________?
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A. Hybrid
B. Top cross
C. Poly cross
D. Inbred
The term mitosis was coined by________________?
A. Farmer and Moore (1905)
B. De Vries and correns (1908)
C. Bruce and Keeble (1908)
D. Non of these
mitosis is the normal process in a living cell but sudden and abnormal mitosis in an organ will some time result in__________________?
A. Cancer
B. Zygote
C. Gastrula
D. New organ
The term poly genes was coined by___________________?
A. Yates (1947)
B. Hazel (1943)
C. Mather (1943)
D. Griffing (1956)
If the cell of an organism (heterozygous) for two pairs of genes represented by Aa, Bb, undergoes meiosis then the possible genotype of gametes are________________?
A. AB, ab
B. Ab, ab
C. AB, Ab, aB, ab
D. Data insufficient
Which are the necessary conditions for the hardy Weinberg principle for applying to genetic population________________?
A. Low mutation population
B. High mutation ratio and small population
C. Selective mating and small population
D. No migration and large population
Biometrics for the study of quantitative genetics was provided by ___________________?
A. Fisher
B. Falconer
C. Mather
D. Hayman
Cytoplasm fills of the cavity of a cell when if is young. But in nature cells, the cytoplasm________________?
A. Becomes vacuolated
B. Disappears completely
C. Contracts
D. Disintegrates partially
Linkage of hereditary units was discounted by__________________?
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
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