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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
deficiency
translocation heterozygote
duplication

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Animal Biotechnology Chromosomes
The degree or extent to which a given genotype is expressed phenotypically in a particular individual is defined as

expressivity
inheritance strength
penetrance
environmental influence

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Animal Biotechnology Chromosomes
Bar eye character of Drosophila is due to

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

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

translocation
crossing over
translation
recombination

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Animal Biotechnology Chromosomes
A map of chromosomes that utilizes cloned and sequenced DNA fragments rather than genetic markers is known as

none of these
a genetic map
a physical map
a cloning map

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Animal Biotechnology Chromosomes
If two genes show 50% recombination

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

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