Which of the Following Is True

question 36

Multiple Choice

Which of the following is true?

• A)A mutation in the DNA can be observed at the macroscopic level even if there's no change in phenotype.
• B)Each biochemical pathway is governed by one gene.
• C)A neutral mutation leads to no discernable phenotype.
• D)A neutral mutation leads to a phenotype that can help or hurt the organism depending on the environment.
• E)A neutral allele leads to a change in function in a protein that neither harms nor helps an organism.

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Definitions:

Oxytocin

a hormone that plays a role in social bonding, sexual reproduction, and during and after childbirth.

Testosterone

A steroid hormone primarily found in males, responsible for the development of male sexual characteristics and reproductive functions.

Dopamine

A neurotransmitter associated with movement, attention, learning, and the brain's pleasure and reward system.

Adrenaline

A hormone and neurotransmitter produced by the adrenal glands that increases heart rate, muscle strength, blood pressure, and sugar metabolism, often associated with the 'fight or flight' response.