Polytene chromosomes were first observed by [AIIMS 1985; BHU 1983] – McqOptions

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1.	Polytene chromosomes were first observed by [AIIMS 1985; BHU 1983]
A.	Batanetzky-1980
B.	Heitz and Bauer -1935
C.	Balbiani - 1881
D.	Stevens and Wilson - 1905
Answer» D. Stevens and Wilson - 1905

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