Genetics Vocabulary

Passing of traits from parents to offspring

• trait

• heredity

• genetics

• gene

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a characteristic that an organism can pass on to its offspring through its genes

• trait

• alleles

• heredity

• probability

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NGSS.HS-LS3-1

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the study of how traits are passed from parents to offspring

• heredity

• probability

• genetics

• mendel

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NGSS.HS-LS3-1

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a segment of DNA on a chromosome that codes for a specific trait/protein

• genetics

• heredity

• allele

• gene

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different forms of a gene

• heredity

• allele

• probability

• phenotype

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one whose trait always shows up in the organism when the allele is present

• dominant allele

• recessive allele

• gene

• phenotype

an allele that is masked when a dominant allele is present

• phenotype

• genotype

• recessive allele

• probability

likelihood that a particular event will occur

• homozygous

• probability

• heterozygous

• Punnett Square

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NGSS.HS-LS3-3

a chart that shows all the possible combinations of alleles that can result from a genetic cross

• probability

• Punnett Square

• genotype

• phenotype

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NGSS.HS-LS3-3

an organism's physical appearance, or visible traits

• phenotype

• genotype

• Punnett Square

• homozygous

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