Grade 8: DNA lesson

An organism's genetic material

• Proteins

• DNA

• Chromosomes

• Traits

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Characteristics passed on from one generation to the next.

• Mutations

• Genes

• DNA

• Traits

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Permanent changes in the sequence of DNA which can change an organism's traits.

• Traits

• Mutations

• Genes

• Chromosomes

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NGSS.HS-LS3-2

NGSS.HS-LS4-2

What is RNA short for ?

• Deoxyribonucleic Acid

• Ribonucleic Acid

DNA provides the chemical code for an organisms __________ material.

• Cellular

• Genetic

• Chromosome

• Nuclear

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NGSS.HS-LS1-1

NGSS.HS-LS3-1

A gene is...

• A segment of chromosome in a cell

• A segment of RNA in a ribosome

• A segment of DNA on a chromosome

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NGSS.HS-LS3-1

NGSS.HS-LS3-2

A DNA strand takes on what kind of shape?

• A twisted tree

• A double helix

• A twisted pencil

• A twisted broom

The structure of DNA is referred to as a single helix.

• True

• False

A nucleotide is made up of a nitrogen base, a phosphate group and a....

• Protein

• Salt

• Sugar

• Carbon

How many nitrogen bases are there?

• 1

• 2

• 3

• 4