Genetic and Environmental Factors That Affect Traits

A person’s intelligence has been shown to have links to many genes that they inherit from their parents. In fact identical twins tend to have similar IQ’s. However, studies have shown that factors such as nutrition and family environment can contribute to the IQ a person has. What causes a person's intelligence?

• Genetics only
• Environment only
• Neither
• Both 

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NGSS.MS-LS1-5

There is a 100% chance that both identical twins will develop schizophrenia but a normal brother and sister only have a 15% chance of them both developing schizophrenia. What can we assume about this disease?

• Caused by the environment people live in
• Caused by the genes they inherit
• Caused by an interaction of genes and environment
• Scientists can't be sure what causes it

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Two identical twins live in the same city; one smokes and one doesn’t.  The one who smokes develops lung cancer. What is the best reason for this?

• Genetics factors only
• Genetics and environmental factors
• Environmental factors only
• It was not related to their genetics or environment

Tags

NGSS.MS-LS1-5

Thomas broke his arm

when he fell off of

his skateboard. Are

broken bones an example

of an inherited or

environmental trait?

• inherited

• environmental

Rachael has attached

earlobes. Her friend,

Laura, has detached

earlobes. Is having free

or attached earlobes an

example of an inherited

or environmental trait?

• inherited

• environmental

Loren went to the salon

and got her hair bleached

blonde. Is Loren's new

hair color an inherited or

environmental trait?

• environmental

• inherited

Tags

NGSS.MS-LS1-5

There are 12 girls and 14

boys in Meredith’s science

class. Is gender an

inherited or

environmental trait?

• environmental

• inherited

Peter hit his leg against a

table, and the next day he

saw a big bruise there.

Is a bruise an example of

an inherited or

environmental trait?

• inherited

• environmental

Tags

NGSS.MS-LS1-5

What is the difference between inherited and environmental traits?

• Environmental traits are learned from your parents and inherited traits are learned from the environment.

• Environmental traits are acquired and inherited traits are learned.

• Inherited traits come from your parents and environmental traits are learned behaviors.

• Inherited traits come from your uncle and environmental come from the things around you.

Tags

NGSS.MS-LS1-5

Which trait is DEFINITELY caused by genetics? 

• weight 
• height 
• tan-ness of skin 
• how hard you work 

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

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