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Animal Biotechnology Chromosomes

Animal Biotechnology Chromosomes
A map of chromosomes that utilizes cloned and sequenced DNA fragments rather than genetic markers is known as

a cloning map
a genetic map
a physical map
none of these

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Animal Biotechnology Chromosomes
Bar eye character of Drosophila is due to

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

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

Phenotype
Genotype
Alleles
Homozygous

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Animal Biotechnology Chromosomes
How many chromosomes are there in Caernorhabditis elegans?

12
3
6
9

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

All of these
chromosome lagging
centriole elongation
disruption of mitotic spindle

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Animal Biotechnology Chromosomes
The degree or extent to which a given genotype is expressed phenotypically in a particular individual is defined as

expressivity
penetrance
environmental influence
inheritance strength

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