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Polytene chromosomes were first observed...

Polytene chromosomes were first observed by

A

Batanetzky-1980

B

Heitz and Bauer-1935

C

Balbiani-1881

D

Steves and wilson-1905

Text Solution

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The correct Answer is:
C
(c) Polytene chromosome were discovered by Balbaini (1881) in salivary gland cells of larve of Chironomus tantans.
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  9. The Number of autosomes in normal human sperm is :

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  11. the long and short arms of chromosome are designated respectively as :

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  12. Unfertilzed egg of human contains :

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  18. Total collection of genes at any time in a unit of evolution is Or ...

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