Which of these factors does not play a significant role in cell differentiation?

Certain segments of DNA will be lost in the translation process, rendering certain genes obsolete in particular cells.

Explanation:

DNA, RNA, and environmental factors all play significant roles in cell differentiation. While DNA is identical in every cell, evert cell does not express the same genes. In different cells, some genes are turned "on" while others are suppressed or turned "off." The combination of genes expressed allows for cells to differentiate.

(Copied from USATESTPREP)

answer; i believe that the correct answer is(d) nondisjunction during meiosis;

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