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Animal Biotechnology Chromosomes

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

All of these
centriole elongation
chromosome lagging
disruption of mitotic spindle

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Animal Biotechnology Chromosomes
How does dosage compensation in Drosophila occur?

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

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Animal Biotechnology Chromosomes
How many chromosomes are there in the budding yeast (S. cerevisiae)?

20
16
18
17

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Animal Biotechnology Chromosomes
If two genes show 50% recombination

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

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Animal Biotechnology Chromosomes
Raphanobrassica is a classical example of

nullisomy
aneuploidy
allopolyploidy
None of these

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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 cloning map
none of these
a genetic map
a physical map

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