Genetics Vocabulary Worksheet

What is DNA?

• Organism's genetic material. Shaped like a twisted ladder which is referred to as a double helix.

• A type of carbohydrate found in plants.

• A protein that helps in digestion.

• A mineral essential for bone strength.

What is a gene?

• Section of DNA that has genetic information for one trait.

• A type of protein found in cells.

• A type of cell in the human body.

• A chemical that provides energy for the cell.

What is a chromosome?

• Threadlike structures within the nucleus of eukaryotic cells that carry genetic information in the form of DNA.

• A type of protein found in the cytoplasm that helps in cell movement.

• A membrane-bound organelle responsible for energy production in cells.

• A liquid substance that fills the space between the cell membrane and the nucleus.

Where is the chromosome?

• In cell nucleus.

• In mitochondria.

• In cytoplasm.

• In cell membrane.

What are the sides of the DNA ladder made of?

• Nitrogen base pairs

• Sugar-phosphate backbone

• rungs

• Lipids

What forms the rungs of the DNA ladder?

• Sugar-phosphate backbone

• Nitrogen base pairs

• Proteins

• Lipids

Who discovered the structure of DNA?

• Watson, Crick, Franklin, Wilkins

• Newton, Darwin, Curie, Einstein

• Mendel, Pasteur, Hooke, Jenner

• Fleming, Koch, Salk, Sabin

What is the process of copying a DNA molecule to make another DNA molecule called?

• DNA replication

• Transcription

• Translation

• Mutation

During DNA replication, what is the first step?

• Pairing

• Separation

• Result

• Mutation

During DNA replication, new nucleotides match exposed bases. What is this step called?

• Separation

• Pairing

• Result

• Mutation