A ___________ is part of the DNA code on a chromosome.

• trait
• gene
• cell
• model

Which of the following is NOT part of a chromosome?

• proteins
• cell
• deoxyribonucleic acid
• DNA

Most mutations occur randomly.

• True
• False

Mutations cause changes in ________________.

• elements
• compounds
• essential nutrients
• proteins

Mutations can be

• beneficial to an organism
• neutral to an organism
• harmful to an organism
• they can be any of the above

Most genes contain instructions for making ____________.

• proteins
• traits
• cell
• model

Identify the type of mutation.

• Insertion
• Substitution
• Deletion

Identify the type of mutation.

• Insertion
• Substitution
• Deletion

Identify the type of mutation.

• Insertion
• Substitution
• Deletion

What do beneficial mutation do?

• increse chances of survival
• increase risk of cancer
• decrease chances of survival
• nothing