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5.Molecular Basis of Inheritance
medium
The modern concept of gene is
A
A segment of $DNA$ capable of crossing over
B
A functional unit of $DNA$
C
A segment of $DNA$
D
A segment of chromosome
Solution
(b) A gene is a segment of $DNA$ which contains the information for one enzyme or one polypeptide chain coded in the language of nitrogenous bases or the nucleotides.
Standard 12
Biology
