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Who used the word "chromosome" ?

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Important Questions on Principles of Inheritance and Variation

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NTA Errorless Biology Volume-2>Chapter 5 - Principles of Inheritance and Variation>Ordinary Thinking>Q 16
Select the incorrect match
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NTA Errorless Biology Volume-2>Chapter 5 - Principles of Inheritance and Variation>Ordinary Thinking>Q 17
Solenoid is a structure of-
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NTA Errorless Biology Volume-2>Chapter 5 - Principles of Inheritance and Variation>Ordinary Thinking>Q 18

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

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The sum of genes in a population is called

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NTA Errorless Biology Volume-2>Chapter 5 - Principles of Inheritance and Variation>Ordinary Thinking>Q 19
The distance between two genes in a chromosome is measured in cross-over units which represent
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NTA Errorless Biology Volume-2>Chapter 5 - Principles of Inheritance and Variation>Ordinary Thinking>Q 20
The chromosomal number in the meiocytes of housefly is ?
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NTA Errorless Biology Volume-2>Chapter 5 - Principles of Inheritance and Variation>Ordinary Thinking>Q 21
A chromosome in which centromere is situated close to its end, so that one arm is ver short and other very long-
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NTA Errorless Biology Volume-2>Chapter 5 - Principles of Inheritance and Variation>Ordinary Thinking>Q 22
In polytene chromosomes dark bands are visible. These bands are formed by the apposition of
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NTA Errorless Biology Volume-2>Chapter 5 - Principles of Inheritance and Variation>Ordinary Thinking>Q 23

In eukaryotes basic structural unit made of histone and DNA
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What are those structures that appear as beads-on-string in the chromosomes when viewed under electron microscope