A Rare Situation Where Only One of the Two Copies

question 63

Multiple Choice

A rare situation where only one of the two copies of a particular tumor-suppressor gene needs to be inactivated before there is a progression toward cancer is called:

• A) clonal evolution.
• B) loss of heterozygosity.
• C) signal transduction.
• D) aneuploidy.
• E) haploinsufficiency.

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