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Plant Breeding and Genetics
The geometrical device that helps in visnalizing all the possible combinations of male and female gametes known as _______?
Morgan square
Punneu square
Mendel square
Bateson square
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rikazzz
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Plant Breeding and Genetics
Gametophytic self incompatibility was first reported in _______?
Set aria sphacelata
Nicotine sandarac
Lena sativa
Scale cereals
Author:
rikazzz
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Plant Breeding and Genetics
The term gene was coined by _______?
Batson
Punned
Johnnsen
Darlington
Author:
rikazzz
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Plant Breeding and Genetics
A mutation is a change in _______?
Chromosome number
DNA
RNA
Chromosome structure
Author:
rikazzz
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Plant Breeding and Genetics
An individual lacking only one chromosome from the diploid set is referred as _______?
Trisomic
Monosomic
Nullisomic
Tetrasomic
Author:
rikazzz
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Plant Breeding and Genetics
High values of genetic advance are indicative of _______?
Additive gene action
Dominance gene action
non-additive gene action
Partial dominance gene action
Author:
rikazzz
Comment
Plant Breeding and Genetics
The offspring of a cross between twp individuals differing in at least one set of characters is called _______?
Mutant
Polyploidy
Variant
Hybrid
Author:
rikazzz
Comment
Plant Breeding and Genetics
If a plant heterozygous for tallness is selfed, f2 feneration has both tall and dwarf plants. this proves the principle of _______?
Independent assortment
Segregation
Dominance
Incomplete dominance
Author:
rikazzz
Comment
Plant Breeding and Genetics
Rice flowers have _______?
Six stamens
Four stamens
Eight stamens
None of these
Author:
rikazzz
Comment
Plant Breeding and Genetics
haploids are better for mutation studies because in them all the mutations whether recessive or dominant are expressed as_______?
There are two alleles of each gene in each cell
There are many alleles of each gene in each call
There is only one alleles of each gene present in each cell
None of these
Author:
rikazzz
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