Effects of Mutations

Multiple Choice

Mutations are always bad

• true

• false

Multiple Choice

An environment becomes colder. Some of the rabbits which live there have a mutation that causes their fur to be longer and thicker allowing them to stay warmer. This is an example of a

• positive mutation

• negative mutation

• neutral mutation

Multiple Choice

What describes a change in the DNA sequence?

• Transcription

• Translation

• DNA replication

• Mutation

• Apoptosis

Multiple Choice

Between 6,000 and 10,000 years ago a mutation led to blue eyes in humans. This is an example of a

• positive mutation

• negative mutation

• neutral mutation

Environmental causes of mutations

Multiple Choice

What do helpful mutations do? 

• Increases chances of survival 
• Decreases changes of survival 
• Increases chances of developing cancer
• Decreases skills

Multiple Choice

Which of the following is an example of a hurtful mutation? 

• Developing cancer
• Makes the organism faster
• Makes the organism a predator 
• Develops sharp claws

Multiple Choice

Why is DNA important?

• it is very small and very complicated
• it's in everything
• it serves as the blueprint for traits of all living things
• because we eat it every day for energy