A Black Guinea Pig Crossed with an Albino Guinea Pig

question 13

Multiple Choice

A black guinea pig crossed with an albino guinea pig produced 12 black offspring.When the albino was crossed with a second black animal,6 blacks and 6 albinos were obtained.What is the best explanation for this genetic situation?

• A)Albino is recessive;black is dominant.
• B)Albino is dominant;black is incompletely dominant.
• C)Albino and black are codominant.
• D)Albino is recessive;black is recessive.
• E)None of the above applies.

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Definitions:

Conscious Suppression

The deliberate effort to hold back or inhibit thoughts, feelings, or impulses.

Partly Conscious

A state of awareness in which an individual is partially aware of their surroundings and experiences.

Libido

In psychoanalytic theory, libido refers to sexual desire or the driving force behind all human behavior according to Freud.

Repression

In psychology, a defense mechanism where unpleasant thoughts, memories, or desires are pushed out of conscious awareness.