Refer to the Following Information to Answer the Questions Below

question 68

Multiple Choice

Refer to the following information to answer the questions below.
Gene S controls the sharpness of spines in a type of cactus. Cactuses with the dominant allele, S, have sharp spines, whereas homozygous recessive ss cactuses have dull spines. At the same time, a second gene, N, determines whether or not cactuses have spines. Homozygous recessive nn cactuses have no spines at all.
-The relationship between genes S and N is an example of

• A) incomplete dominance.
• B) epistasis.
• C) complete dominance.
• D) pleiotropy.
• E) codominance.

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Definitions:

Mates Selection

The process individuals use to choose partners with whom to form a romantic relationship or marriage, often influenced by personal preferences, societal norms, and biological factors.

Critical Thinking

The process of objectively evaluating claims, propositions, and conclusions to determine whether they follow logically from the evidence presented.

Objectively Evaluating

The process of examining something in an unbiased, impartial manner without allowing personal feelings to influence the assessment.

Naturalistic Observation

A research method involving the observation of subjects in their natural environment without any manipulation or interference.