Multiple Choice
Differentiation of cells is not easily reversible because it involves
A) changes in the nucleotide sequence of genes within the genome.
B) changes in chromatin structure that make certain regions of the genome more accessible.
C) chemical modifications of histones and DNA methylation.
D) frameshift mutations and inversions.
E) excision of some coding sequences.
Correct Answer:

Verified
Correct Answer:
Verified
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