Jack and Emily Are Twins

question 96

Multiple Choice

Jack and Emily are twins. Because he is a boy, Jack's dad and mom encourage him to run. On the other hand, Jack's mom and dad discourage Emily from engaging in athletic activity. As a result Jack is much faster at running than Emily is. What best explains the difference in Jack and Emily's behaviour?

• A) nonshared environmental influences
• B) active gene-environment relations
• C) polygenetic effects
• D) niche-picking

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Definitions:

Line Graph

A type of graph often used for illustrating data over time.

Histogram

A graphical representation of the distribution of numerical data, using bars of different heights to show frequencies of data within successive intervals.

Quarterly Revenue

The total amount of income generated by a company during a three-month period, typically used to assess financial performance.

Bar Graph

A visual representation of data that uses bars of varying heights to show the values of different categories.