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ANIMAL BIOTECHNOLOGY CHROMOSOMES

Animal Biotechnology Chromosomes
How does dosage compensation in Drosophila occur?

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

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Animal Biotechnology Chromosomes
Hairy wing character of Drosophila is due to

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

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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

zymogram
idiogram
chromogram
karyogram

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Animal Biotechnology Chromosomes
A cross shaped (+) or a ring involving four chromosomes may be formed during metaphase I in case of

haploid organism
translocation heterozygote
duplication
deficiency

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

inverted inversion
double inversion
pericentric inversion
paracentric inversion

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