________ chromosome has its one arm slightly shorter than the other.
A
Telocentric
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B
Metacentric
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C
Acrocentric
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D
Sub-metacentric
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Solution
The correct option is D Sub-metacentric
In acrocentric chromosomes, the centromere is near one end of the chromosome due to which it looks like the English letter ‘j’. Here, one arm is much smaller than other.
In metacentric chromosomes the centromere is positioned in the centre and it looks like English letter 'v'.
Sub-meta centric chromosomes have their centromere positioned just above the centre and it looks like English letter 'L'
Centromere in telocentric chromosomes is positioned above the tip and it looks like English letter 'I'.