How Do Igf2 and Igf2r Affect Parental Fitness

question 31

Multiple Choice

How do Igf2 and Igf2r affect parental fitness?

• A) Igf2 is a growth-promoting gene, which may reduce a mother's fitness.
• B) Igf2 is a growth-inhibiting gene, which may increase a mother's fitness.
• C) Igf2r is a growth-inhibiting gene, which may increase a father's fitness.
• D) Igf2r is a growth-promoting gene, which may increase a mother's fitness.

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Definitions:

Messages

Units of information communicated from one entity to another, conveying thoughts, feelings, or instructions.

Retina

The light-sensitive layer at the back of the eye that captures visual information and sends it to the brain for interpretation.

Night Vision

The ability to see in low-light conditions, which can vary significantly among different organisms and technologies designed to enhance human nighttime visibility.

Cones

Photoreceptor cells in the retina of the eye responsible for color vision and functioning best in relatively bright light.