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Animal Biotechnology Chromosomes

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

17
16
18
20

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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

translocation heterozygote
haploid organism
duplication
deficiency

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

environmental influence
expressivity
penetrance
inheritance percent

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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

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

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

crossing over
DNA duplication
synapsis
independent assortment

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Animal Biotechnology Chromosomes
Bar eye character of Drosophila is due to

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

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