A) a segment of DNA, capable of crossing over
B) functional unit of DNA
C) a segment of RNA
D) a segment of chromosome
Correct Answer: B
Solution :
Johansseen (1909) proposed the term gene. Genes are made up of DNA i.e. a DNA segment associated with proteins which can be copied in the form of RNA and are responsible for hereditary characters. Genes have full control over protein synthesis.You need to login to perform this action.
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