<prompt> Chromosome 21 belongs to which of the following subtype?Acrocentric chromosomeMetacentric chromosomeSubmetacentric chromosomeTelocentric chromosome  <response>: Two different arms of the chromosome are separated by a structure known as Centromere. Location of centromere Type of chromosome Example Exactly in the middle Metacentric Towards one side Sub-metacentric X chromosome On the one end Acrocentric Y chromosome, 13,14,15,21,22 chromosome. Right at the tip Telocentric Not seen in humans 