Francis Galton made a significant contribution to psychology by introducing methods for studying how heredity contributes to human behavior. Which alternative explanation was Galton overlooking when he argued that heredity accounts for these similarities

a. The primary importance of the nature side of the nature versus nurture debate
b. The fact that people who share genes live together in families, so they tend to share environmental privileges or disadvantages
c. A materialistic account of behavior
d. The concept dualism, which states that the mind is separate from the body.

Answer: B

Rationale: Galton was focused solely on the genetic and biological explanations for human behavior and failed to consider that nurture and the environment also play a significant role in understanding how, when, and by whom genetic predisposition would lead to behavioral outcomes.