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[A]: Chromosomes are divided into hetero...

[A]: Chromosomes are divided into hetero- chromatin and euchromatin part.
[R]: Heterochromatin are those regions of chromosome that remain condensed during interphase and early prophase, and rest of the non-condensed form of chromosome is called euchromatin

A

If both A and R are true and R is the correct explanation of A

B

If both A and R are true but R is not the correct explanation of A

C

If A is true and R is false

D

If both A and R are false

Text Solution

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The correct Answer is:
A
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[A]: Chromatid is one of a pair of replicated chromosomes found during the prophase and metaphase stages of mitosis and meio- sis. [R]: Chromatin is classified as euchromatin or heterochromatin on the basis of stain-ing properties. Euchromatin is thqught to be ac- tively involved in transcription and, therefore, protein synthesis, while heterochromatin is inactive.

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