NEET BIOLOGY

GENETICS AND EVOLUTION

EVOLUTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Genes can be turned on or off by?
A
Through gene transcription
B
Methylation
C
Histone modification
D
All of the above
Explanation: 

Detailed explanation-1: -Each cell expresses, or turns on, only a fraction of its genes at any given time. The rest of the genes are repressed, or turned off. The process of turning genes on and off is known as gene regulation. Gene regulation is an important part of normal development.

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