Using the Bell Curve Below,answer the Questions That Follow $\begin{array}{|c|}\hlineb.\\\downarrow\\\hline\end{array}$ $\begin{array}{|c|}\hlinea.\\\downarrow\\\hline\end{array}$

question 25

Multiple Choice

Using the bell curve below,answer the questions that follow.
$\begin{array}{|c|}\hlineb.\\\downarrow\\\hline\end{array}$ $\begin{array}{|c|}\hlinea.\\\downarrow\\\hline\end{array}$
-Point b on the normal distribution represents the IQ cut-off score for which disability category?

• A)Learning disability
• B)Gifted
• C)Mental retardation
• D)Autism

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Definitions:

Monozygotic Twins

Identical twins that develop from one zygote, which splits and forms two embryos, sharing exactly the same genetic material.

Dizygotic Twins

Also known as fraternal twins, these are siblings that are born at the same time but have developed from two different eggs fertilized by two different sperm.

Environmental Shared

The portion of the environment that is experienced identically by individuals, often used in contrast to "non-shared environment" in studies of heritability.

Monozygotic Twins

Identical twins originating from the division of a single fertilized egg, sharing all of their genetic material.