Scientists Discovered That Otzi,the 5,200-Year-Old Frozen Copper Age Man Found

question 32

Multiple Choice

Scientists discovered that Otzi,the 5,200-year-old frozen Copper Age man found in the Alps in 1991,had a variable DNA sequence called K.What caused the variations in this DNA sequence?

• A) mutations
• B) diet
• C) injuries he sustained
• D) his frozen condition

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Definitions:

Anal Stage

The second stage in Freud's psychosexual development theory, occurring from about 18 months to three years of age, where the focus of pleasure is on controlling bladder and bowel movements.

Reciprocal Determinism

In social-cognitive learning theories, the two-way interaction between aspects of the environment and aspects of the individual in the shaping of personality traits.

Heritability

A statistical estimate of the proportion of the total variance in some trait that is attributable to genetic differences among individuals within a group.

Factor Analysis

A statistical method for analyzing the intercorrelations among various measures or test scores; clusters of measures or scores that are highly correlated are assumed to measure the same underlying trait or ability (factor).