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  4. The chromosome showing L-shaped structure by the presence of centromere is termed as:

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Q. The chromosome showing L-shaped structure by the presence of centromere is termed as:

Delhi UMET/DPMTDelhi UMET/DPMT 2005

Solution:

The shape of chromosome is usually observed at metaphase.
The position of centromere determines the shape of chromosomes.
(i) Telocentric: centromere at terminal end
(ii) Acrocentric: centromere slightly away from the tip.
(iii) Submetacentric: centromere slightly away from midpoint i.e., L-shaped.
(iv) Metacentric: Centromere at mid of chromosome i.e., V-shaped.