Plant Breeding and Genetics
The crossing of a yomozygous tall plant and a homozygous dwarf plant would yield plants in the ratio of _______?
All homozygous dwarf
2 tall: 2 dwarf
All the heterozygous tall
One homozygous tall, one homozygous dwarf, two heterozygous tall
All the heterozygous tall
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Self incompatibility which is controlled by two genes is found in _______?A. Gramineae
B. Cruciferae
C. Solanaceae
D. None of these
Reciprocal recurrent selection is effective with _______?
A. Complete dominance
B. Incomplete
C. Over dominance
D. All the above
Plants can be made disease resistant by _______?
A. Heat treatment
B. Colchicines treatment
C. Breeding with the wild variety
D. Hormone spray
Plants having monoecious flowers are found in _______?
A. Caster
B. Maize
C. Colocasia
D. All the above
Which one is C3 crop plant _______?
A. Tomato
B. Gram
C. Onion
D. all the above
Protoandry is found in _______?
A. Sorghum
B. Wheat
C. Maize
D. Barley
Dominance hypothesis of heterosis was first proposed by _______?
A. Davenport (1908)
B. Bruce (1910)
C. Shull (1914)
D. Davis (1927)
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