Genetic Mutation

deletion mutation occurs when

• base pair is missing from the DNA strand

• base pair is added to the DNA strand

• base pair is replaced with a different base pair

Tags

NGSS.HS-LS3-2

A mutation that has NO effect on an organism's ability to survive and reproduce

• harmful mutation

• helpful mutation

• neutral mutation

In the video, Tim says that genetic mutations are permanent changes to DNA or RNA. What does this mean?

• The changes are minor

• The changes can't be undone.

• The changes are major.

• The changes can be undone.

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

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

• When an organism's lifespan becomes shorter.

• When an organism becomes unable to reproduce.

• When an organism's body becomes deformed.

• When an organism develops immunity to a disease.

Tags

NGSS.HS-LS3-2

NGSS.HS-LS4-2

NGSS.HS-LS4-4

When a beneficial (adaptive) mutation spreads through an entire population of organisms, that population:

• Becomes less common

• Becomes more common

• Goes extinct

• Keeps mutating

Tags

NGSS.HS-LS3-2

NGSS.HS-LS4-2

NGSS.HS-LS4-4

An insertion/additon mutation occurs when

• a base pair is missing from the DNA strand

• a base pair is added to the DNA strand

• a base pair is replaced with a different base pair

Tags

NGSS.HS-LS3-2

A mutation that helps an organism survive and reproduce

• harmful mutation

• helpful mutation

• neutral mutation

Tags

NGSS.HS-LS4-4

A mutation that decreases an organism's ability to survive and reproduce

• harmful mutation

• helpful mutation

• neutral mutation

Tags

NGSS.HS-LS4-2

NGSS.HS-LS4-4

Why do most changes to DNA have NO effect at all?

• Because they're too minor to have any effect

• Because the changes are offset by RNA, which cannot change

• Because the changes are quickly repaired

• Because the changes only occur in a few cells

What usually happens to a cell whose DNA has been damaged?

• It has trouble manufacturing certain proteins

• Its genetic material leaves the nucleus

• It is able to produce twice as many proteins as a normal cell

• It shrinks to half its normal size

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-2