DNA and Heredity Quiz

What does DNA stand for?

• Deoxyribose nucleotide

• Ribonucleic acid

• Ribose nucleotide

• Deoxyribonucleic acid

How many chromosomes do humans have?

• 23

• 32

• 46

• 64

What are the building blocks of nucleic acids?

• Nucleotides

• Amino acids

• Fatty acids

• Carbohydrates

Which of the following is a type of nucleic acid?

• Lipid

• Carbohydrate

• Protein

• DNA

What is the structure of DNA called?

• Spiral

• Single-strand

• Triple-helix

• Double-helix

How many types of bases are there in DNA?

• 2

• 5

• 3

• 4

What do genes code for?

• Vitamins

• Proteins

• Carbohydrates

• Lipids

How many chromosomes do human sperm and egg cells contain?

• 46

• 32

• 23

• 64

What determines human eye color?

• Many genes

• Diet

• One gene

• Environmental factors

Where is DNA found in nearly all of the body cells?

• Nuclei

• Cytoplasm

• Cell membrane

• Mitochondria