Biology Review

Give the term that matches the definition: Any change in the frequency of alleles in a population over time

• Evolution

• Allele Frequency

• Gene Pool

• Speciation

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NGSS.HS-LS4-2

NGSS.HS-LS4-4

Which of the following is NOT a form of reproductive isolation?

• Behavioral

• Geographical

• Foundational

• Temporal

Which of the following does NOT produce genetic variation?

• Mutations

• Asexual Reproduction

• Meiosis

• Sexual Reproduction

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NGSS.HS-LS3-2

NGSS.HS-LS4-2

Which of the following is NOT a requirement for natural selection?

• Genetic variation within a population

• Individuals pass on characteristics to their offspring

• Individuals that are better adapted to their environment are more likely to live long enough to reproduce

• Individuals will select partners with traits that do not help them survive

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NGSS.HS-LS4-2

NGSS.HS-LS4-4

NONDISJUNCTION means that chromosomes did not split apart normally, resulting in cells with different numbers of chromosomes. Which of these is NOT a result of nondisjunction

• A cell is missing chromosome 15

• A cell has an extra chromosome 20

• A cell has chromosomes XXY

• A cell has one X chromosome and one Y chromosome

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NGSS.HS-LS1-4

Why do drug companies typically test their medicines on animals?

• Because people may be harmed in the effects of the medicine

• High demand for subjects

• Animals aren't affected by medicines the same way people are

• There is no other way to test how effective medicine is

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NGSS.HS-ETS1-3

Some marine mammals like whales have small bones near their pelvises that scientists believe may have been leftover from a recent common ancestor. Based on this information, where did this ancestor most likely live?

• Saltwater

• Freshwater

• Land

• Mountains

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NGSS.HS-LS4-1

What makes mitochondrial DNA different from cellular DNA

• Mitochondrial DNA is a double helix whereas cellular DNA is circular

• Mitochondrial DNA is stored in the mitochondria and cellular DNA is stored in the Golgi apparatus

• There is no difference between the two

• Mitochondrial DNA is circular whereas cellular DNA is a double helix

If a trait for a given disease is recessive, what genotype would a carrier have

• Aa

• aa

• AA

• AB

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NGSS.HS-LS3-1

Organize each step of protein synthesis in the correct order (put the numbers in order)

1. Unwind DNA

2. Amino acids form polypeptide chains (proteins)

3. Make RNA to bring genetic information to the ribosomes

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NGSS.HS-LS1-1