How are an organism's traits primarily passed down from parents to offspring?

• Environment

• Through inheritance of DNA from both parents

• Single parent

• Behaviors

What does the acronym DNA stand for?

• Deoxyribonucleic Acid

• Deoxyribose Nucleic Acid

• Deoxyribonucleic Amino

• Deoxyribose Nitrogenous Acid

What are the fundamental building blocks that make up nucleic acids?

• Amino acids

• Monosaccharides

• Nucleotides

• Fatty acids

Which three components make up a single nucleotide?

• Sugar, protein, and lipid

• Phosphate, sugar, and nitrogenous base

• Amino acid, sugar, and phosphate

• Nitrogenous base, lipid, and protein

Which of the following are the four nitrogenous bases found in DNA?

• Adenine, Thymine, Uracil, Guanine

• Adenine, Thymine, Cytosine, Guanine

• Adenine, Uracil, Cytosine, Guanine

• Adenine, Thymine, Cytosine, Ribose

In a DNA molecule, which base always pairs with Adenine?

• Cytosine

• Guanine

• Thymine

• Uracil

What do genes primarily code for in an organism?

• Sugars

• Fats

• Proteins

• Carbohydrates

How many chromosomes are typically found in a normal human body cell?

• 23

• 46

• 92

• 12