Question

What is centromere how does the position of heat from the basic of classification of chromosomes?

Answer 1

How does the position of centromere form the basis of classification of chromosomes. ... Centromere is a constriction present on the chromosomes where the chromatids are held together. Chromosomes are divided into four types based on the position of the centromere

Answer 2

HLO MATE HERE IS UR ANSWER.

⭐. centromere is a region of chromosome where the two chromatids are held together.

⭐. Special proteins surround the centromere which form a disc shaped structures called kinetochores.

⭐. Each chromosomes shows centromere at a specific position.

Based on the position of centromere , monocentric chromosomes are four types.

❤. METACENTRIC ❤

⭐. Centromere present in the middle point of the chromosome.

⭐. It is 'V' shaped and consists of two equal arms.

❤. SUB - METACENTRIC ❤

⭐. Centeomere is slightly away from the centre of the chromosome.

⭐. It is 'L' shaped and consists of two unequal arms.

❤. ACROCENTRIC ❤

⭐. Centromere is situated at tge subterminak position of a chromosome.

⭐. It is 'J' shaped.

⭐. It consists of a very long arm and a very small arm.

❤. TELOCENTRIC ❤

⭐. Centromerr is situated at the terminal position of a chromosome.

⭐. It is 'I' shaped and has only one arm.