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Question : What is gene ? What is nature of gene ?

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Solution :GENE. Term gene was COINED by Johansen (1900). A hereditary determiner specifying a biological function, a unit of inheritance (DNA) located in a fixed PLACE on the chromosome is called gene.
Mendel considered EVERY character as unit which is controlled by a factor presently called gene. Chemically gene is a segment of DNA which controls one character and physically is a part of chromosome.


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