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Animal Biotechnology Chromosomes

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

inheritance percent
penetrance
environmental influence
expressivity

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Animal Biotechnology Chromosomes
Diethyl stilbestrol (DES), a synthetic estrogen causes

disruption of mitotic spindle
centriole elongation
chromosome lagging
All of these

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

Homozygous
Genotype
Alleles
Phenotype

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Animal Biotechnology Chromosomes
Hairy wing character of Drosophila is due to

due to a point mutation
deletion in region of chromosome
duplication in region of chromosome
due to presence of additional X-chromosome

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Animal Biotechnology Chromosomes
An odd number of cross overs in inverted region will result into formation of a dicentric chromatid and acentric chromatid at anaphase I incase of

none of these
double inversion
paracentric inversion
pericentric inversion

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Animal Biotechnology Chromosomes
Bar eye character of Drosophila is due to

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

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