In Cats, an X-Linked Locus Is Responsible for Fur Color

question 8

Multiple Choice

In cats, an X-linked locus is responsible for fur color. There are two known alleles at this locus. One results in black fur color; the other results in orange fur color. A heterozygote animal has patches of orange and black fur (tortoiseshell) . Which coat color phenotypes are expected from the cross of a black female and an orange male?

• A) tortoiseshell females; tortoiseshell males
• B) black females; orange males
• C) tortoiseshell females; black males
• D) orange females; black males

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Definitions:

Sexual-Response Pattern

A sequence of physical and emotional changes that occur as a person becomes sexually aroused and participates in sexually stimulating activities.

Plateau

A stage where no visible progress is made, often encountered in physical training, learning, and other areas of personal development.

Excitement

A state of aroused enthusiasm, interest, or the emotional stimulation towards an activity or event.

Orgasm

The climax of sexual stimulation, characterized by intense pleasure and release of tension.