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Animal Biotechnology Chromosomes

Animal Biotechnology Chromosomes
A diagram depicting chromosomes of haploid set of an organism ordered in a series of decreasing size is known as

karyogram
chromogram
idiogram
zymogram

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Animal Biotechnology Chromosomes
If two genes show 50% recombination

both (a) and (b)
they are on same chromosome but far apart
they are on different chromosomes
they are closely located on the same chromosome

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Animal Biotechnology Chromosomes
Bar eye character of Drosophila is due to

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

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Animal Biotechnology Chromosomes
How does dosage compensation in Drosophila occur?

X inactivation in females
Chimerism
Hypertranscription of male X chromosome
Hypotranscription of female X chromosome

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

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

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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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