Intro to Genetics

What is the study of heredity called?

• Heredity

• Genetics

• Genes

• Traits

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What is a genotype?

• The gene that determines a trait; represented by letters.

• The physical description of a trait; what can be "seen."

• The trait that shows, making the other trait.

• The trait that is masked by a dominant trait.

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NGSS.HS-LS3-1

What is a phenotype?

• The gene that determines a trait; represented by letters.

• The physical description of a trait; what can be "seen."

• The trait that shows, making the other trait.

• The trait that is masked by a dominant trait.

Tags

NGSS.HS-LS3-1

What is an allele?

• A pair of genes that determines a trait.

• A single gene for a trait.

• The trait that shows.

• The trait that is masked.

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What is a gene?

• A pair of alleles that together determine a trait.

• The trait that is present and masks the other trait.

• The triat that is masked.

• Traits inherited from your parents.

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What is a dominant trait?

• When present it is the trait that shows.

• A trait that you only need one of for it to be present.

• The trait that masks all other traits.

• A trait that requires two of for it to be present.

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NGSS.HS-LS3-1

What is a recessive trait?

• When present it is the trait that shows.

• A trait that you only need one of for it to be present.

• The trait that masks all other traits.

• A trait that requires two of for it to be present.

• A trait that is hidden by a dominant trait.

What is a heterozygous trait?

• A trait that has one dominant gene and one recessive gene.

• A trait that has two recessive genes.

• A trait that has two dominant genes.

• A trait that is represented by two capital letters or two lower case letters.

• A trait that is represented by one capital letter and one lower case letter.

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NGSS.HS-LS3-1

What is a homozygous trait?

• A trait that has one dominant gene and one recessive gene.

• A trait that has two recessive genes.

• A trait that has two dominant genes.

• A trait that is represented by two capital letters or two lower case letters.

• A trait that is represented by one capital letter and one lower case letter.

Tags

NGSS.HS-LS3-1

A heterozygous dominant trait has__________________________.

• one capital letter and one lower case letter

• has two capital letters

• has two lower case letters

• has one dominant trait and one recessive trait

• has two dominant traits or two recessive traits

Tags

NGSS.HS-LS3-1

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