Understanding Genetics

How many pairs of chromosomes do humans normally have in each cell?

• 22 pairs

• 23 pairs

• 24 pairs

• 46 pairs

What is the shape of DNA?

• Circular

• Single helix

• Double helix

• Triple helix

What are the four bases of DNA?

• Adenine, Guanine, Cytosine, Uracil

• Adenine, Thymine, Cytosine, Uracil

• Adenine, Thymine, Guanine, Uracil

• Adenine, Thymine, Guanine, Cytosine

What determines the function of a protein in your body?

• The number of genes

• The size and shape of the protein

• The size of the cell

• The shape of the DNA

What do genes determine about an individual?

• Their memories

• Their intelligence

• Their physical traits like hair color and eye color

• Their preferences and dislikes