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Animal Biotechnology Chromosomes

Animal Biotechnology Chromosomes
In an organism, the chromosome number is maintained constant because of

DNA duplication
crossing over
synapsis
independent assortment

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

chromogram
zymogram
idiogram
karyogram

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

double inversion
paracentric inversion
pericentric inversion
inverted inversion

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Animal Biotechnology Chromosomes
If two genes show 50% recombination

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

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

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

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Animal Biotechnology Chromosomes
Hairy wing character of Drosophila is due to

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

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