Natural Selection and Genetics

A trait that helps organisms to survive in a changing environment

• niche
• structure
• characteristic
• adaptation

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NGSS.HS-LS3-2

NGSS.HS-LS4-2

NGSS.HS-LS4-4

Survival of the Fittest and Evolution were proposed by what scientist?

• Charles Darwin
• Albert Einstein
• Steven Hawking
• Isaac Newton

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Homozygous is when...

• the alleles are the same

• the alleles are different

• the alleles are absent

• the alleles are present

the genetic code for the gene

• phenotype
• genotype
• homozygous

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NGSS.HS-LS3-2

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when you have two different genes, such as Tt

• heterozygous
• dominant
• homozygous

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NGSS.HS-LS3-2

NGSS.HS-LS3-1

the physical look of a trait, such as hair color

• phenotype
• genotype
• recessive

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NGSS.HS-LS3-1

This is the stronger factor of the gene, such as rolling your tongue

• recessive
• regulatory gene
• dominant

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NGSS.HS-LS3-2

NGSS.HS-LS3-1

Sex cells are produced through the process of

• mitosis
• cytokinesis
• binary fission
• meiosis

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NGSS.HS-LS3-2

Organisms that always produce offspring with the same traits are known as

• purebred
• hybrid
• dominant trait
• recessive trait

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NGSS.HS-LS3-1

Organisms that have inherited two different forms of the same trait, one from each parent

• purebred
• hybrid
• dominant trait
• recessive trait

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NGSS.HS-LS3-2

NGSS.HS-LS3-1