Harmful Mutations Are Often Eliminated in a Population Because They

question 60

Multiple Choice

Harmful mutations are often eliminated in a population because they:

• A)are fatal to the individual.
• B)are repaired.
• C)decrease survival and/or reproduction of the individuals.
• D)do not confer a benefit to the individual.

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Definitions:

Mania

A state of abnormally elevated or irritable mood, arousal, and energy levels, often associated with bipolar disorder.

Epigenetic Effects

Variations in how genes are expressed, which are due to factors other than alterations in the DNA sequence.

Molecular Tags

Specific molecules or biochemical markers that are attached to certain proteins or DNA/RNA sequences, enabling their identification and tracking within cellular processes.

Neurotransmitter Levels

The concentration of chemicals in the brain that transmit signals across synapses between neurons, influencing mood, thought processes, and behavior.