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

In which part of an organism's cells is DNA primarily found?

• Cytoplasm

• Mitochondria

• Nuclei

• Ribosomes

Which of the following is NOT a trait directly coded for by DNA, as discussed in the video?

• Height

• Eye Color

• Hair Color

• Favorite Food

What is the full name for DNA?

• Deoxyribonucleic Acid

• Deoxyribose Nucleic Acid

• Deoxyribonucleic Amino

• Deoxyribose Nitrogenous Acid

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