All of the Following Are TRUE of BRCA Genes,EXCEPT

question 140

Multiple Choice

All of the following are TRUE of BRCA genes,EXCEPT

• A) there are two genes,and a mutation in either can lead to cancer.
• B) when mutated,they produce proteins that are unable to regulate the cell cycle.
• C) just one mutated BRCA gene increases a woman's lifetime cancer risk to greater than 90%.
• D) mutations in BRCA genes can lead to either breast or ovarian cancer in women.
• E) mutations in BRCA genes can lead to prostate cancer in men.

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Definitions:

Bygones

In economics, the principle of "letting bygones be bygones" implies that past costs, which cannot be recovered, should not factor into future economic decisions.

Total Revenue

The complete total of earnings a firm gains through product sales or service charges over a set period.

Total Cost

The complete cost of production, including both fixed and variable costs. It represents the entire expense incurred in producing a good or service.

Free Entry

A market condition where firms can enter the industry without any barriers to entry, promoting competition.