Question

Chromosomes were first observed in 

A

Nasturtium

B

Hydrilla

C

Tradescantia

D

Oenothera

Medium
Solution
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Correct option is C)

The nucleus was first seen by Robert Brown in 1831 inside orchid root cells. Hofmeister in 1848 discovered thread like structures inside the nucleus of Tradescantia. They were studied by Flemming in 1879 in the nucleus of salamander cells. Waldeyer in 1888 named them chromosomes.
So, the correct answer is option C.

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