Small variations in DNA sequences and activation of genes can explain why individuals respond differently to diseases and the drugs used to treat them. Epigenetic modification can have an effect on the activity of genes in a cell. Which is the process that regulates gene expression? (1)

A.
crossing over
B.
epigenetic changes
C.
post-transcriptional changes
D.
post-translational changes
Biology
IGCSE&ALevel
EDEXCEL
Exam No:wbi15-01-que-20240118 Year:2024 Question No:5(b)(ii)

Answer:

B

Knowledge points:

CH8 – Coordination, Response and Gene Technology

Solution:

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