Simplest unit of chromosomes that undergoes crossing over is

Cistron

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Muton

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Recon

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Both a and b

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Solution

The correct option is C Recon
Recon is the smallest unit of DNA capable of undergoing crossing over and recombination.
Cistron is a DNA segment equivalent to a gene. It is the smallest unit of genetic material which codes for a single polypeptide in the polypeptide chain of protein synthesis. Functioning as a transmitter of genetic information. Muton is the smallest element of genetic material that is capable of undergoing mutation.

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Similar questions

Assertion: Mitosis maintains the genetic similarity of somatic cells.
Reason: Chromosomes do not undergo crossing over during mitosis.

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