Exploring Real Genetic Mutations

What is the approximate number of DNA pairs in the human genome?

• 2 billion

• 1 billion

• 4 billion

• 3 billion

How long would it take to copy the genetic information equivalent to a thousand Harry Potter series?

• One week

• One minute

• One day

• One hour

What is a nonsense mutation?

• A mutation that deletes a large part of the genetic sequence

• A mutation that introduces a STOP signal in the genetic sequence

• A mutation that shifts the reading frame of the genetic sequence

• A mutation that changes one letter in the genetic sequence

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NGSS.HS-LS3-2

Which type of mutation involves the loss of a large part of the genetic sequence?

• Nonsense mutation

• Deletion mutation

• Point mutation

• Frameshift mutation

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NGSS.HS-LS3-2

What can cause mutations in DNA?

• Chemical damage

• All of the above

• Recombination

• Errors in DNA copying

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NGSS.HS-LS3-2

Which type of radiation is most likely to cause double-strand DNA breaks?

• UV light

• Gamma rays

• Microwaves

• Infrared light

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NGSS.HS-PS4-4

What role do enzymes play in relation to DNA mutations?

• They repair DNA and correct errors

• They increase the rate of mutations

• They cause mutations

• They have no effect on DNA

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NGSS.HS-LS1-1

What is the most common outcome of mutations?

• Beneficial effects

• No effect at all

• Severe diseases

• Immediate death

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NGSS.HS-LS3-2

What is an example of a beneficial mutation?

• Higher resistance to malaria

• Increased susceptibility to diseases

• Inability to digest milk

• Decreased lifespan

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NGSS.HS-LS3-2

NGSS.HS-LS4-2

NGSS.HS-LS4-4

How do beneficial mutations spread through a population?

• They are eliminated quickly

• They combine with other useful genes and accumulate over generations

• They cause immediate changes in the population

• They remain isolated in a few individuals

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NGSS.HS-LS4-2

NGSS.HS-LS4-4