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.Management Sciences
Category: Plant Breeding and Genetics
which of the following probably occur when a diploid cell undergoes normal meiotic division________________?
A. All dominant genes will segregate together into daughter cells
B. All homologous chromosome pairs will separate
C. All daughter cells will have different homologous chromosome pairs
D. All linkage group will be disrupted
Absence of chlorophyll in a plant is known as__________________?
A. Acrodsome
B. Albinism
C. A gouri
D. None of the above
The concept of disruptive was given by____________________?
A. Morgan
B. Shull and East
C. Mather
D. None of the above
In meiosis homologous chromosomes separate from each other in ______________________?
A. metaphase I
B. Auaphase I
C. Metaphase II
D. Anaphase II
The crossing of a yomozygous tall plant and a homozygous dwarf plant would yield plants in the ratio of_________________?
A. 2 tall: 2 dwarf
B. All homozygous dwarf
C. All the heterozygous tall
D. One homozygous tall, one homozygous dwarf, two heterozygous tall
Many groups of insects have developed resistance to DDT and other insecticides as a result of____________________?
A. Crossing over
B. Polyploidy
C. Segregation
D. Gene mutation
Whisky is distilled from__________________?
A. Fermented mash of malted or unmalted cereals and potatoes
B. Fermented juices of fruits
C. Raw grains
D. Legume fruits
A healthy plant not selling seed may be due to____________________?
A. Self incompatibility
B. Male sterility
C. Female sterility
D. All the above
Drought tolerance is associated with ____________________?
A. Deep root system
B. Small waxy and thick leaves
C. Sunken, small and less stomata
D. All of the above
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