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Animal Biotechnology Chromosomes

Animal Biotechnology Chromosomes
The percentage of individual with a given genotype, which exhibits the associated phenotype, is defined as

environmental influence
inheritance percent
expressivity
penetrance

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

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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
deficiency
translocation heterozygote
duplication

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

independent assortment
synapsis
crossing over
DNA duplication

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Animal Biotechnology Chromosomes
How does dosage compensation in Drosophila occur?

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

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Animal Biotechnology Chromosomes
How many chromosomes are there in Caernorhabditis elegans?

9
3
12
6

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