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Principles Of Inheritance And Variation

Question
CBSEENBI12047312
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Which one of. the following animals possesses giant chromosome?

  • Drosophila

  • Mouse

  • Pigeon

  • Elephant

Solution

A.

Drosophila

Polytene chromosomes or salivary chromosomes are the giant chromosomes discovered by Balbiani (1881) in the salivary glands of Chironomous tantans. Later they were found in the salivary glands and Malpighian tubules) of many insect larvae including Drosophila.

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