Introduction to genetics

A segment of DNA that has the ability to code for a specific trait.

• gene

• allele

• chromosome

• chromatid

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Humans have _______ pairs of chromosomes, for a total of _______ chromosomes.

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NGSS.HS-LS3-1

Genetically determined characteristic. For example: eye color.

• Gene

• Genetics

• Heredity

• Trait

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NGSS.HS-LS3-1

NGSS.HS-LS3-2

What is "C" in the diagram?

• nucleus

• chromosome

• DNA

• gene

What is "A" in the diagram?

• nucleus

• chromosome

• DNA

• gene

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NGSS.HS-LS1-1

What is "B" in the diagram?

• nucleus

• chromosome

• DNA

• gene

Tags

NGSS.HS-LS3-1

What is "D" in the diagram?

• nucleus

• chromosome

• DNA

• gene

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NGSS.MS-LS3-1

Different forms of a gene are called...

• chromosomes

• DNA

• gene

• alleles

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

The genetic make-up of an organism is its...

• genotype

• phenotype

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Saying a person has brown eyes describes a...

• genotype

• phenotype