Q. The modern concept of gene is
A) A segment of DNA, capable of crossing over
B) Functional unit of DNA
C) A segment of RNA
D) A segment of chromosome
Explanation
Johanssen (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 is responsible for hereditary characters. Genes have full control over protein synthesis.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.