Understanding DNA, Genes, and Heredity

What was the name of the pet snake that became a classroom pet?

• Rex

• Spike

• Fang

• Slither

What is heredity primarily concerned with?

• The structure of cells

• The behavior of animals

• The passing of traits from parents to offspring

• The study of ecosystems

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Where is DNA found in nearly all of Spike's body cells?

• In the mitochondria

• In the nuclei

• In the cytoplasm

• In the cell membrane

What does DNA stand for?

• Deoxyribonucleic acid

• Deoxyribose nucleic acid

• Deoxyribonucleic agent

• Deoxyribose nucleotide acid

Which of the following is NOT a base found in DNA?

• Uracil

• Cytosine

• Thymine

• Adenine

What mnemonic helps remember the pairing of DNA bases?

• Apples in the garden; car in the tree

• Apples in the tree; car in the garden

• Apples in the tree; car in the garage

• Apples in the garage; car in the tree

What do genes code for?

• Carbohydrates

• Proteins

• Lipids

• Vitamins

Tags

NGSS.HS-LS1-1

What is a complex trait determined by many genes?

• Eye color

• Blood type

• Height

• Skin color

Tags

NGSS.HS-LS3-2

NGSS.HS-LS3-3

How many chromosomes do humans have in their body cells?

• 23

• 46

• 44

• 22

What is the term for the process of turning genes on or off?

• Gene expression

• Gene regulation

• Gene mutation

• Gene transcription