Differences in traits are called _________ and explain why siblings don't look exactly alike.

• mutations
• variations
• traits
• evolution

Genetic traits are passed from ________ to ________.

• parent; offspring
• chromosomes; traits
• DNA; genes
• offspring; parents

What kind of mutations exist?

• neutral mutations

• all of these

• beneficial mutations

• harmful mutations

Tags

NGSS.HS-LS3-2

NGSS.HS-LS4-2

What is an example of a neutral mutation?

• None of these

• a disease

• a change in eye color

• lactose intolerance

Tags

NGSS.HS-LS3-2

NGSS.HS-LS4-2

What is an example of a beneficial mutation?

• ability to digest milk

• cancer

• hemophilia (condition where blood doesn't clot)

• none of the above

SELECT ALL THAT APPLY: Mutations can be...

• Harmful

• Beneficial

• Neutral

TRUE / FALSE: Mutations are often spontaneous--nothing in particular causes them, they just happen.

• TRUE

• FALSE

Mutations change...

• Proteins

• Lipids

• Carbohydrates

• Organelles

TRUE / FALSE: Mutations can change the way an organism looks

• TRUE

• FALSE

These molecules are required for the structures and functions of the body and express traits.

• Variations

• Adaptations

• Mutations

• Proteins