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Cistron and Gene
Concepts tested here
- One gene one cistron
All Questions
2001 AIPMT 1 question
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Gene and cistron words are sometimes used synonymously because : -Benzer defined the cistron as the unit of function: the segment of DNA that codes for one polypeptide chain.
A gene is also usually defined as the DNA segment that codes for one polypeptide (one gene–one polypeptide).
Since one gene corresponds to one cistron, the two words are often used synonymously.
So they are used synonymously because one gene contains one cistron.