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Question : How are chromosomes classified based on the position of centromere ?

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Solution :Based on the position of centromere,the CHROMOSOMES are CLASSIFIED as Telocentric, Acrocentric ,Submetacentric and Metacentric.Telocentric.

Types of chromosomes based on position of centromere
(i)The centromere is found on the proximal end.
(ii)Shape-rod SHAPED .
Acrocentric
(i)Th centromere is found at the one end with a SHORT arm and long arm.
(ii)Shape -rod shaped.
submetacentric
(i)The centromere is found near the centre of the chromosome.Thus forming TWO uneqal arms .
(ii)Shape-J or L shaped.
Metacentric:
(i)The centromere occurs in the centre of the chromosome and form two equal arms.
(ii)Shape -V shaped chromosomes.


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