We Would All Have Many More Mutations in Our Genes

question 72

Multiple Choice

We would all have many more mutations in our genes if not for the _____.

• A) activity of repair enzymes
• B) death of all mutant cells,removing them from our bodies
• C) fact that everybody carries a "good" allele to counter every "bad" allele
• D) fact that dividing cells remove all their mutations when they replicate their DNA
• E) fact that mutations tend to cancel each other out,leaving mostly functional genes

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Definitions:

Biological Action

The processes and activities carried out by living organisms including growth, reproduction, and response to the environment.

Mercury

A heavy, silvery d-block element that is liquid at room temperature and used in various instruments, with significant environmental and health impacts.

Second Law

In thermodynamics, it states that the total entropy of an isolated system can never decrease over time, and is often associated with the concept of energy degradation.

Thermodynamics

The branch of physics that deals with the relationships between heat and other forms of energy, and how these affect matter, encompassing laws that describe energy conservation and entropy.