DNA, Chromosomes, Genes, and Traits: An Intro to Heredity

The process by which traits are passed from parents to offspring is known as what?

• Mitosis

• Predation

• Heredity

• Asexual reproduction

What does DNA stand for?

• Deoxyribonucleic Acid

• Deoxyribose Nucleic Acid

• Deoxygenated Ribonucleic Acid

• Double Nucleic Acid

What are the individual building blocks that make up nucleic acids like DNA?

• Proteins

• Carbohydrates

• Nucleotides

• Lipids

Which three components make up a single nucleotide?

• Sugar, protein, and base

• Sugar, phosphate, and base

• Phosphate, lipid, and sugar

• Protein, carbohydrate, and lipid

Which of the following correctly represents the base pairing rules in DNA?

• Adenine pairs with Cytosine, Thymine pairs with Guanine

• Adenine pairs with Guanine, Thymine pairs with Cytosine

• Adenine pairs with Thymine, Cytosine pairs with Guanine

• Adenine pairs with Adenine, Thymine pairs with Thymine

What type of bonds hold the two strands of a DNA molecule together?

• Covalent bonds

• Ionic bonds

• Hydrogen bonds

• Peptide bonds

What is the primary function of a gene?

• To store excess energy for the cell.

• To provide structural support to the cell membrane.

• To code for proteins that express traits.

• To transport materials across the cell.

What are chromosomes primarily composed of?

• Lipids and carbohydrates

• DNA and proteins

• RNA and sugars

• Water and salts