Mendelian Genetics Vocabulary

An alternate form of a gene for a specific trait or gene

• genotype

• gene

• allele

• phenotype

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NGSS.HS-LS3-2

The observable characteristics or traits of an organism

• genotype

• dominant

• phenotype

• homozygous

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NGSS.HS-LS4-3

NGSS.HS-LS4-4

A chart used to show all the ways genes from two parents can combine and be passed to offspring.

• pie chart

• test cross

• Punnett square

• pedigree

An organism that inherits two of the same allele from its parents.

• dominant

• heterozygous

• phenotype

• homozygous

A term that describes an allele that is not expressed when combined with a dominant form of the allele.

• recessive

• gene

• homozygous

• phenotype

The genetic make-up of an organism; all the genes that an organism has

• genotype

• dominant

• phenotype

• recessive

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NGSS.HS-LS3-2

The passing of genes from parents to offspring.

• Punnett square

• genetics

• probabiltiy

• heredity

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NGSS.HS-LS3-1

NGSS.HS-LS3-2

An organism that inherits two different alleles from its parents.

• dominant

• homozygous

• recessive

• heterozygous

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NGSS.HS-LS3-2

The trait expressed if you inherit Ff is the

• genotype

• recessive trait

• dominant trait

• homozygous

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NGSS.HS-LS3-1

An individual that shows the recessive trait for red hair would have which genotype?

• RR

• rr

• Rr

• rR

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NGSS.HS-LS3-1

NGSS.HS-LS3-2