Selective Breeding

Selective breeding is...

• a process to create an organism with desired traits from parents with those desired traits

• natural method of producing offspring with desired traits

• creating a new species

• making organisms reproduce during times of stress

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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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One problem with selective breeding is

• creating a new species

• gene variety is lost

• extinction of a species

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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

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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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Which of these is the third 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.

Artificial Selection is

• making a new species

• making varieties of the same species

• only occurs in a laboratory

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A mutation

• is always bad for an organism

• is always good for an organism

• is a change in an organism's DNA

• never changes an organism

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A farmer has bred his pineapple plants from the sweetest pineapples from his last harvest to get even sweeter pineapple plants. What is this an example of?

• Selective breeding
• Natural selection
• Extinction
• Mutagenesis

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Evidence shows that the wolf is the ancestor to all of the breeds of dogs shown below. How did this variation arise in a relatively short period of time?

• A.  Genetic manipulation
• Natural selection
• Random chance
• Selective breeding

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