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  4. L-shaped chromosomes are also called

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Q. L-shaped chromosomes are also called

Chhattisgarh PMTChhattisgarh PMT 2008

Solution:

The shape of the chromosome is determined by the position of centromere on the chromosome.
Chromosomes may be of following five types on the basis of their shape.
(i) Acentric-Centromere remains absent.
(ii) Telocentric-Centromere present at one end of chromosome.
(iii) Acrocentric-When chromosome is divided into a very small segment at one end and a very large segment on the other end.
(iv) Submetacentric-When chromosome have two unequal segments, one of which is slightly larger than other and forms L-shaped chromosome.
(v) Metacentric-When two segments are equal and forming V-shaped structure.