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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

idiogram
karyogram
chromogram
zymogram

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Animal Biotechnology Chromosomes
How does dosage compensation in Drosophila occur?

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

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

inverted inversion
paracentric inversion
pericentric inversion
double inversion

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

independent assortment
synapsis
DNA duplication
crossing over

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Animal Biotechnology Chromosomes
Bar eye character of Drosophila is due to

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

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

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

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