Question

Mention different types of chromosomes according to position of centromere.

Answer 1

Metacentric          - centromere is at the center of the chromosome.

Submetacentric   - centromere is slightly move upward or downward from the center.

acrocentric           - centromere is near to the end of chromosome.

telocentric            - centromere is at the end of the chromosome.

Answer 2

Answer:

1 According to the position of centromere chromosome are divided into 4 types a metacentric chromosome b submetacentric chromosome c acrocentric chromosome d telocentric chromosome

Explanation:

a metacentric chromosome  The chromosome that contain centromere in its middle position is called metacentric chromosome.This chromosome contain two same sized arms.

b submetacentric chromosome This chromosome contain centromere   near its middle position.submetacentric chromosome contain 2 different sized arms.

c acrocentric chromosome This chromosome contain centromere in such a position that it contains a very short arm and the other arm is very long

d telocentric chromosome  This chromosome contain centromere at its tip portion,this tips are termed as telomeres.They are rod shaped chromosome and contain only one arm.