Which of the Following Statements Describes a Vestigial Trait

question 16

Multiple Choice

Which of the following statements describes a vestigial trait?

• A) Whales and dolphins must breathe air even though they spend their entire lives in the water.
• B) Penguins are flightless birds with wings that are specialized for swimming.
• C) Humans still have eyebrows, even though we have much less body hair than chimps.
• D) Kiwis are flightless birds with reduced, nonfunctional wings.
• E) Snakes have hinged jaws to help them swallow large meals.

Comprehend the role of dopamine in the development of schizophrenia.

Understand the historical and diagnostic evolution of schizophrenia.

Identify the major psychotic disorders and their characteristics.

Understand the significance of diagnostic tools like the DSM in classifying mental disorders.

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Definitions:

Genome-Wide Association Scans

Studies that involve rapidly scanning markers across complete sets of DNA, or genomes, of many people to find genetic variations associated with a particular disease or trait.

Proteins

Large, complex molecules essential to all living organisms, playing critical roles in the body such as catalyzing metabolic reactions, DNA replication, and transporting molecules.

Phenylketonuria

A genetic disorder characterized by the body's inability to break down the amino acid phenylalanine, leading to potential brain damage and cognitive impairment.

Sickle Cell Anemia

An inherited form of anemia in which there is an abnormality in the hemoglobin beta chains; the inheritance pattern is autosomal recessive.