Suppose Identical Twins Raised Apart Have a Correlation of

question 95

Multiple Choice

Suppose identical twins raised apart have a correlation of .40 on a measure of some aspect of personality,and identical twins raised together have a correlation of .60 on this same measure.From these data,what can we logically conclude about this trait?

• A)Nonshared environment has an impact because,even raised together,the identical twins do not show a perfect 1.00 correlation.
• B)Nonshared environment has no impact because the identical twins raised apart have a lower correlation than the identical twins raised together.
• C)Shared environment has no impact because identical twins raised apart have a correlation lower than 1.00.
• D)Shared environment has an impact because identical twins raised apart have a correlation of .40.

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Definitions:

Lacunae

Small cavities in bone or cartilage tissue housing cells like osteocytes or chondrocytes.

Simple Squamous Epithelium

A single layer of flat cells lining surfaces where diffusion or filtration occurs, such as the alveoli in the lungs.

Alveoli

Tiny air sacs within the lungs where the exchange of oxygen and carbon dioxide between the air in the lungs and the blood in the capillaries takes place.

Diffusion

The movement of particles from an area of higher concentration to an area of lower concentration.