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Animal Biotechnology Chromosomes

Animal Biotechnology Chromosomes
Raphanobrassica is a classical example of

None of these
allopolyploidy
nullisomy
aneuploidy

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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

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

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

6
12
9
3

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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

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

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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
Incase of inversion when the inverted segment of chromosome includes centromere, it is known as

pericentric inversion
double inversion
inverted inversion
paracentric inversion

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