Research into _________ Revealed That Members of the Lemba Ethnic

question 57

Multiple Choice

Research into _________ revealed that members of the Lemba ethnic group in Africa are indeed genetically related to Semitic populations.

• A) haplotypes
• B) the Duffy blood group
• C) Y chromosome markers
• D) blood systems

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Definitions:

Activation-synthesis Theory

A theory of dreaming proposing that dreams are the result of the cerebral cortex interpreting and organizing random bursts of neural activity.

Night Terrors

Intense episodes of panic and fear that occur during sleep, typically in children.

Stage 4 Sleep

Stage 4 sleep, now classified within N3 sleep in the modern sleep staging systems, is characterized by deep, restorative sleep and the presence of delta waves in brain activity.

Non-REM Sleep

A type of sleep that is divided into three stages, characterized by slow brain waves and reduced metabolic activity, distinct from REM (Rapid Eye Movement) sleep.