As a Gate Creaks Open,Oscar the Puppy Notices a Cat

question 73

Multiple Choice

As a gate creaks open,Oscar the puppy notices a cat heading into his yard.The cat hisses and scratches Oscar on the nose,causing Oscar to yelp in pain.Which outcome to this scenario portrays discrimination?

• A)Now when Oscar sees the cat who scratched his nose he runs away,but he feels comfortable with the cat with whom he shares a home.
• B)Now when Oscar sees a cat or small dog coming toward him,he immediately begins to yelp in pain.
• C)Now whenever Oscar sees a cat,including the cat in his own home,he runs away.
• D)Now when Oscar hears a gate creak,regardless of who is coming through it,he runs away.

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Definitions:

Malaria

A life-threatening disease caused by parasites transmitted to humans through the bites of infected female Anopheles mosquitoes, characterized by fever, chills, and flu-like illness.

HbS Allele

A variant of the human hemoglobin gene associated with sickle cell disease, resulting from a single nucleotide substitution that alters the hemoglobin's structure.

Selection

In evolutionary biology, a process by which certain traits become more or less common in a population due to the differential reproductive success of organisms with those traits.

Antigenic Drift

Describes natural selection on seasonal influenza viruses that alters the structure of surface proteins, allowing them to evade the antibody-mediated immunity induced during previous infections or vaccinations.