One approach to applying learning principles to improve conservation efforts involves which of the following regarding wasteful energy use and polluting?

Trisomy-21 is also called:

fragile-X syndrome. Down syndrome. muscular dystrophy. Klinefelter syndrome.

Which of the following would cause you to question that a trait is heritable if it was indicated by an adoption study?

A) biological parents choose adoptive parents especially similar to themselves. B) biological parents choose adoptive parents different from themselves. C) biological parents choose adoptive parents especially similar to their children. D) adoptive parents may also have their own biological children.