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Animal Biotechnology Chromosomes

Animal Biotechnology Chromosomes
Diethyl stilbestrol (DES), a synthetic estrogen causes

chromosome lagging
disruption of mitotic spindle
All of these
centriole elongation

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

translation
crossing over
recombination
translocation

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

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

12
6
9
3

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Animal Biotechnology Chromosomes
Which of the following denotes a pair of contrasting characters?

Phenotype
Homozygous
Alleles
Genotype

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