Question

Explain types of chromosomes ?​

Answer 1

Answer:

Metacentric

Submetacentric

Acrosentric

Telocentric

Answer 2

Answer:-

★ Chromosomes:-

→ It is a single human cell that has about 2 m long thread of DNA distributed among its 46 (23 pairs) chromosomes.

★ Types of chromosomes:-

There are 4 types of chromosomes, they are:-

o Metacentric chromosome:-

→ It has middle centromere forming two equal arms of the chromosome.

o Sub-metacentric chromosome:-

→ It has centromere nearer to one end of the chromosome resulting into one shorter arm and one longer arm.

o Acrocentric chromosome:-

→ Centromere is situated close to its end forming one extremely short and one very long arm.

o Telocentric chromosome:-

→ It has a terminal centromere. Some chromosomes have non-staining secondary constrictions at a constant location. It is called satellite.