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Animal Biotechnology Chromosomes

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
deficiency
duplication

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Animal Biotechnology Chromosomes
How does dosage compensation in Drosophila occur?

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

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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
karyogram
idiogram

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Animal Biotechnology Chromosomes
In a dihybrid cross, the progeny of an Fl individual (hetero2ygous for both characters) will show a phenotypic ratio of

1:2:2:1
9:3:3:1
1:1:1:1
3:1:1:3

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

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

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Animal Biotechnology Chromosomes
Exchange of segments between non homologous chromosomes is best known as

recombination
crossing over
translocation
translation

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