Question

________ chromosome has its one arm slightly shorter than the other.

• A. Telocentric
• B. Metacentric
• C. Acrocentric
• D. Sub-metacentric

Answer 1

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'.
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