Chapter 17 - Evolution of Populations

Many genes have at least two forms, or ___________

• traits
• functions
• alleles
• partners

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NGSS.HS-LS3-2

NGSS.HS-LS3-1

A ________ is a group of individuals of the same species that interbreed. 

• species
• population
• community
• ecosystem

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NGSS.MS-LS4-4

A ____________consists of all genes, including all the different alleles, that are present in a population.

• gene pool
• allele pond
• genetic equillibrium
• genetic drift

The _____________ of an allele is the number of times the allele occurs in a gene pool, compared with the number of times other alleles for the same gene occur. 

• founding
• percentage
• gene pool
• relative frequency

In genetic terms, ____________ is any change in the relative frequency of alleles in a population.

• evolution
• genetic equillibrium
• speciation
• founder effect

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NGSS.HS-LS4-4

NGSS.HS-LS4-2

A ____________ is any change in a sequence of DNA

• mistake
• mutation
• mishap
• manipulation

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NGSS.HS-LS3-2

True or False: The effects of a mutation can always be seen.

• True
• False

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NGSS.HS-LS3-2

The number of _______ produced for a given trait depends on how many genes control the trait.

• Genotypes
• Muations
• Phenotypes
• Alleles

A ___________trait is controlled by one gene that has two alleles. 

• single-gene
• polyenic
• polytypic
• lone-allele

How many phenotypes exist for a single-gene trait?

• 1
• 2
• 3
• 4