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Animal Biotechnology Chromosomes

Animal Biotechnology Chromosomes
Raphanobrassica is a classical example of

nullisomy
aneuploidy
None of these
allopolyploidy

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Animal Biotechnology Chromosomes
The percentage of individual with a given genotype, which exhibits the associated phenotype, is defined as

environmental influence
inheritance percent
penetrance
expressivity

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Animal Biotechnology Chromosomes
Which of the following denotes a pair of contrasting characters?

Homozygous
Phenotype
Genotype
Alleles

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Animal Biotechnology Chromosomes
Which of the following is correct when a character shows continuous variation assuming a normal distribution?

None of these
It is governed by many genes with small cumulative effect
Many of the variation is due to fluctuation of climate
It is not controlled genetically

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Animal Biotechnology Chromosomes
Bar eye character of Drosophila is due to

due to presence of additional X-chromosome
due to a point mutation in eye-locus
deletion in region of 16A of X chromosome
duplication in region of 16A of X chromosome

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Animal Biotechnology Chromosomes
Incase of inversion when the inverted segment of chromosome includes centromere, it is known as

paracentric inversion
inverted inversion
double inversion
pericentric inversion

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