Biotechnology Selective Breeding

Selective breeding is...

• a process to create an increase in desired characteristics within a population

• natural method of producing offspring with desired traits

• creating a new species

• making organisms reproduce during times of stress

An example of selective breeding is

• a dog breeder mating 2 dogs to make more dogs

• a farmer grows bees to pollinate the plants on his farm

• a person pollinates 2 white rose plants to only create white roses

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NGSS.MS-LS4-4

One problem with selective breeding is

• The version of the gene desired has to be present in the population already

• gene variety is lost

• new food sources

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Which is another term for selective breeding?

• Artificial selection
• Natural Selection
• Intelligent selection

Problems with selective breeding include

• Better animals

• Increased meat production

• Animals can have bad health problems

• more diversity

Which is NOT a result of selective breeding?

• Large seedless watermelons that consumer demand

• Bright oranges that are all about the same size

• An insect that matches the color of the environment

• A dog that has been bred to have short hair

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NGSS.MS-LS4-4

Scientists genetically engineer corn to be resistant to corn diseases. This is BENEFICIAL because

• This causes corn to be less likely to reproduce
• This causes corn to be less likely to survive
• This causes corn to be smaller
• This allows increased production of corn

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When selective breeding food crops what might a farmer select for? (Select all that apply.)

• Increased yield

• Drought resistance

• The plant that was the most disease resistant

• Temperament

• Speed

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NGSS.MS-LS1-5

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Which of these is the first step in selective breeding flowers.

• Repeat the process only with the offspring with the desired traits

• watch the seeds grow

• Choose plants that have the desired trait to pollinate

• chose which trait is desirable

Which of these is the second step in selective breeding flowers.

• Choose which trait is desirable

• Watch the seeds grow

• Choose plants that have the desired trait to pollinate

• Repeat the process only with the offspring with the desired traits.

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NGSS.MS-LS4-4