Ecstasy Is

question 71

Multiple Choice

Ecstasy is:

• A) a stimulant.
• B) derived from methamphetamine.
• C) a hallucinogen.
• D) all of the above

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Definitions:

Fraternal Twins

Twins that develop from two different eggs fertilized by two different sperm, making them genetically distinct, similar to regular siblings.

Identical Twins

Twins who develop from a single fertilized egg that splits and forms two embryos, sharing 100% of their DNA.

Heritability

A measure of how much of the variation in a trait among individuals within a population is due to genetic differences.

Heritability Estimates

Statistical measures that indicate how much of the variation in a trait within a population can be attributed to genetic differences.