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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Artificial Selection is

• making a new species

• making varieties of the same species

• only occurs in a laboratory

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A dog breeder breeds a german shepherd dog with a poodle to create a dog that has traits of both varieties of dogs. This is an example of...

• artificial selection

• selective breeding

A dog breeder breeds a black poodle with another black poodle to hopefully get only grey poodles. This is an example of

• artificial selection

• selective breeding

The purpose of selective breeding is to 

• Get bigger animals
• get smaller animals
• create animals with desirable traits
• create animals with bad traits

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NGSS.MS-LS4-5

It is very common for yellow labs to have bad hips. This is because owners want purebred yellow labs who are good hunting dogs. This is an example of

• Natural Selection

• Inbreeding

• Hybridization

• Fossil Record

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NGSS.MS-LS4-5

What is inbreeding?

• two sets of genes
• every trait called alleles
• reproduction from mating of two genetically related parents 
• combination of parental genes

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Crossing a red sweet apple with a large disease resistant apple is an example of ________________.

• inbreeding

• cloning

• natural selection

• hybridization

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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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Problems with selective breeding include

• Better animals

• Increased meat production

• Animals can have bad health problems

• more diversity

Tags

NGSS.MS-LS4-4

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