Polytene chromosomes in the salivary glands o | vedclass

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(D) Polytene chromosomes are giant chromosomes formed by the process of endoreduplication (or endomitosis).In this process,the $DNA$ undergoes multipl

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(D) Polytene chromosomes are giant chromosomes formed by the process of endoreduplication (or endomitosis).In this process,the $DNA$ undergoes multiple rounds of replication without the subsequent division of the cell or the nucleus.This leads to the formation of many parallel chromatids that remain attached to each other,resulting in a thick,banded structure.Therefore,endoduplication,duplication without separation,and replication of $DNA$ without cell division are all descriptions of the same underlying mechanism.

Polytene chromosomes in the salivary glands of Drosophila are formed as a result of:

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