Correct option is A
Single cross hybrids (the progeny of two inbred lines) show the maximum heterosis because of the highest level of genetic diversity between the parent lines.
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Question
Maximum heterosis is manifested by:
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EnglishSimilar Questions
- 1)
Match the following correctly
a Paddy
1. Detasseling
b red gram
2. CGMS
c Cotton
3. GMS
d Maize
4. Emasculation and dusting
- 2)
Rapid multiplication of disease-free plants in a short period of time is possible by
- 3)
A nearly homozygous line developed by continued inbreeding accompanied by selection is called
- 4)The method of breeding that gives the maximum opportunity for the breeder to use his/her skill and judgment for selecting plants is?
- 5)Which type of commercially cultivated hybrid will give the maximum degree of heterosis and uniform plants?
- 6)Homozygosity and heterozygosity of an individual can be determined by:
- 7)If two plants differing for allelic pairs are hybridized, the smallest perfect population in F2 will be:
- 8)Which of the following crops show a very high degree of inbreeding depression?
- 9)A tall plant is crossed with a dwarf plant. In the progeny, about one half of the plants are tall and the remaining one half are dwarf. Determine the genotypes of the tall and dwarf plants:
- 10)Pure-line theory was proposed by:
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Similar Questions
- 1)
Match the following correctly
a Paddy
1. Detasseling
b red gram
2. CGMS
c Cotton
3. GMS
d Maize
4. Emasculation and dusting
- 2)
Rapid multiplication of disease-free plants in a short period of time is possible by
- 3)
A nearly homozygous line developed by continued inbreeding accompanied by selection is called
- 4)The method of breeding that gives the maximum opportunity for the breeder to use his/her skill and judgment for selecting plants is?
- 5)Which type of commercially cultivated hybrid will give the maximum degree of heterosis and uniform plants?
- 6)Homozygosity and heterozygosity of an individual can be determined by:
- 7)If two plants differing for allelic pairs are hybridized, the smallest perfect population in F2 will be:
- 8)Which of the following crops show a very high degree of inbreeding depression?
- 9)A tall plant is crossed with a dwarf plant. In the progeny, about one half of the plants are tall and the remaining one half are dwarf. Determine the genotypes of the tall and dwarf plants:
- 10)Pure-line theory was proposed by:
