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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

penetrance
expressivity
environmental influence
inheritance percent

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

DNA duplication
crossing over
independent assortment
synapsis

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Animal Biotechnology Chromosomes
How many chromosomes are there in the budding yeast (S. cerevisiae)?

16
20
17
18

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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

inheritance strength
expressivity
penetrance
environmental influence

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Animal Biotechnology Chromosomes
If two genes show 50% recombination

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

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Animal Biotechnology Chromosomes
Hairy wing character of Drosophila is due to

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

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