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Animal Biotechnology Chromosomes

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

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

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

independent assortment
DNA duplication
synapsis
crossing over

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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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Animal Biotechnology Chromosomes
An odd number of cross overs in inverted region will result into formation of a dicentric chromatid and acentric chromatid at anaphase I incase of

paracentric inversion
double inversion
pericentric inversion
none of these

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Animal Biotechnology Chromosomes
Bar eye character of Drosophila is due to

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

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Animal Biotechnology Chromosomes
Raphanobrassica is a classical example of

nullisomy
None of these
aneuploidy
allopolyploidy

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