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7th Grade 4.1.3 Quiz

Last updated about 3 years ago

11 Nsɛmmisa

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Asemmisa {{asɛmmisaAhyɛnsode}}

1.

The average size of a grocery store chicken has more than doubled in the past century. What is the most likely reason for this change?

Mutations occur less frequently in chickens than they did a century ago

Artificial selection created a larger breed of chicken

Grocery stores used to sell younger chickens

Natural selection resulted in a larger species of chicken

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2.

How do mutations affect natural selection?

They slow down the process

They are the leading cause of extinction

They prevent organisms from evolving

They affect how likely an organism is to survive and reproduce

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3.

How is genetic engineering different from artificial selection?

Genetic engineering enables humans to directly change DNA

Genetic engineering enables humans to influence the inheritance of DNA

Genetic engineering is not yet possible to edit the genetic code

Genetic engineering can only be used on animal DNA

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4.

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5.

How is natural selection different from artificial selection? Write a complete sentence.

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6.

How is natural selection similar to artificial selection? Write a complete sentence.

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7.

When humans breed organisms, they are selecting variations that occur naturally in populations

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8.

Breeders can choose a trait and only breed specific organisms to have offspring with that trait

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9.

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10.

Genetic engineering is the same thing as selective breeding.

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11.

Gene therapy is the replacement of missing or malfunctioning genes by using recombinant DNA.

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