Genetic Technologies Selection Gnome

What is this an example of?

• natural selection

• artificial selection

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Which statement is true comparing natural selection and artificial selection?

• In natural selection, traits benefit humans and in artificial selection, the traits benefit the species

• In natural selection, traits benefit the species and in artificial selection, the traits benefit humans

• In natural and artificial selection, the process takes hundreds of years to occur

• In natural and artificial selection, nature determines what traits will be passed down to offspring.

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What is this an example of?

• natural selection

• artificial selection

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Wild foxes are aggressive and unfriendly toward humans. However, Russian scientists have worked since the 1950s to breed a domesticated version of the silver fox. Each year, the scientists choose the tamest foxes to mate together. Gradually, the foxes are becoming more like dogs. They are much more friendly and playful than wild foxes. What technique is used to increase desirable traits in domesticated animals through breeding?

• Natural Selection

• Genome Selection

• Cloning Selection

• Artificial Selection

Which of the following is a concern about genetically modified organisms (GMOs) in the environment?

• They can enhance the taste of natural foods

• They can lead to a decrease in biodiversity

• They can increase the speed of internet connections

• They can reduce the need for smartphones

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The process by which humans breed only those organisms with desired traits to produce the next generation; selective breeding.

• Gene Therapy

• Artificial Selection

• Natural Selection

• Genetic Engineering

Which of the following statements is true of all genetically engineered organisms?

• They have a genome that is identical to their parents’ genome.

• They are made using half the genomes of two different species

• They contain genes transferred from another organism.

• They are produced by breeding only the individuals with desired traits

Genetic technologies are in the news now almost every day. Scientists, engineers, animal breeders, farmers, doctors, and police use genetic techniques to answer questions, grow food, prevent illness, and solve crimes. Read each sentence in the right column that describes a problem that can be solved with genetic technology. Then draw lines to match each genetic technology in the left column with an example of a problem it can solve in the right column

Groups:

(a) Organism Cloning

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(b) Genetic Engineering

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(c) Gene Therapy

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(d) Artificial Selection

• Scientists transfer a fluorescent gene from a jellyfish into a fish to study chemicals in bodies

• A child is born with a faulty gene that causes a serious disease.

• Scientist want to breed larger cows for larger quantities of meat.

• A racehorse owner wants to make an exact copy of his champion horse.

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A technique used by genetisits to increase desirable traits in an organism is called?

• natural selection

• genome selection

• cloning selection

• artificial selection

When an organism is genetically engineered, what occurs?

• the genome is identical to their parents'

• they are made using half the genomes of two different species

• the organism contains genes that were transferred from another organism

• they are produced by breeding only the individuals with desired traits.

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