Question

When the chromosome has the centromere nearer to one end of the chromosome resulting into one shorter and one longer arm the chromosome is termed as?

Answer 1

Depending on the position of the centromere, chromosomes are of the following types:

Metacentric chromosome: The centromere is present right in the middle of the chromosome. It forms two equal arms of the chromosome.

Submetacentric chromosome: The centromere is present a little away from the middle of the chromosome. It forms two unequal arms of the chromosome.

Acrocentric chromosome: The centromere is present close to one of the ends of the chromosome. It forms one short and another quite long arm.

Telocentric chromosome: A terminal centromere. There is only one arm of the chromosome with the centromere at the end.

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