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Two Genes, C and I, Which Undergo Independent Assortment, Affect

question 24

Multiple Choice

Two genes, C and I, which undergo independent assortment, affect feather color in leghorn chickens. Each gene has two alleles, one of which is dominant for feather color. The gene product of the dominant allele C is necessary for color in the feathers; however, the gene product of the dominant allele I is an inhibitor of color production in the feathers, even when C is present. What ratio of white feathers : colored feathers is expected among the progeny of the cross Cc Ii × Cc Ii?

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Definitions:

Physical

Relating to the body as opposed to the mind or emotions; involving or characterized by material substances or bodily activities.

Perceptual

Relating to the ability to interpret or become aware of something through the senses.

Symbolic Characteristics

Features or attributes that represent something else, often carrying specific meanings or associations within a particular culture or context.

Elaboration

The process of adding more detail or information to something, often used in learning and memory strategies.