Why Is a Person Who Has Inherited One Copy of a Harmful

question 63

Multiple Choice

Why is a person who has inherited one copy of a harmful BRCA allele much more likely to have early-onset breast cancer or ovarian cancer than a person with two functioning alleles?

• A) Apoptosis is increased,as the tumor suppressors are not functioning.
• B) Cell growth is accelerated,as oncogenes are switched on.
• C) With the increase of BRCA protein,apoptosis is induced and cell death occurs.
• D) Mutations accumulate as DNA repair is slowed and cell growth may accelerate.
• E) Cells fail to enter apoptosis and eventually become a tumor.

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Definitions:

Depreciated Value

The reduced worth of an asset over time due to wear and tear, obsolescence, or market conditions.

Corporation

A legal entity that is distinct from its owners, offering limited liability and the ability to raise capital by selling shares.

Sole Proprietorship

A type of enterprise owned and operated by one person, where there is no legal distinction between the owner and the business operation.

Double Taxation

The imposition of two or more taxes on the same income, asset, or financial transaction.