What is centromere ? Explain the types of chromosomes based on the pos

1.	What is centromere ? Explain the types of chromosomes based on the position of the centromere.
Answer» Centromere is the region of a chromosome to which the microtubules of the spindle attach via the kinetochore, during cell division. (a) Metacentric : Chromosome has middle centromere forming two equal arms. (b) Sub-metacentric : Chromosome has centromere slightly away from the middle of the chromosome, resulting in one short and one long arm. (c) Acrocentric : Chromosome has one extremely short arm and a very long arm. (d) Telocentric : Chromosome has a terminal centromere.

What is centromere ? Explain the types of chromosomes based on the position of the centromere.

Answer»

Centromere is the region of a chromosome to which the microtubules of the spindle attach via the kinetochore, during cell division.

(a) Metacentric : Chromosome has middle centromere forming two equal arms.

(b) Sub-metacentric : Chromosome has centromere slightly away from the middle of the chromosome, resulting in one short and one long arm.

(c) Acrocentric : Chromosome has one extremely short arm and a very long arm.

(d) Telocentric : Chromosome has a terminal centromere.

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What is centromere ? Explain the types of chromosomes based on the position of the centromere.

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