Why might monozygotic twins show highly related intelligence scores?

A) genetic influences
B) environmental influences
C) both genetic and environmental influences
D) neither genetic or environmental influences

Monozygotic Twins

Twins that develop from one zygote, which splits and forms two embryos, sharing identical genetic material.

Intelligence Scores

Quantitative measures assessing cognitive abilities and potential, typically obtained through standardized testing.

Genetic Influences

The effects that the genetic makeup of an individual has on their traits and behaviors.