A Finding That Siblings Reared Together Are More Similar in Intelligence

question 190

Multiple Choice

A finding that siblings reared together are more similar in intelligence than are half-siblings (individuals who share one parent) reared together would be evidence for:

• A) the importance of genetic factors.
• B) the importance of environmental factors.
• C) the interplay between genes and environment.
• D) all of these.

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Definitions:

Lysozyme

An enzyme found in saliva, tears, and other secretions, capable of breaking down bacterial cell walls and serving as an innate defense mechanism.

Enzyme

Protein that acts as a catalyst.

Bacteria

Single-celled, microscopic organisms that can be found in almost every environment on earth, some of which are beneficial and others harmful to humans.

Macrophages

Large phagocytic cells found in tissues or as mobile white blood cells at sites of infection, playing essential roles in the immune response and tissue homeostasis.