TMSQuiz #5 Checklist: DNA & Traits

What is Genetics?

• The study of rocks

• The study of how traits, like eye color or how tall you are, get passed down from parents to children

• The study of weather

• The study of planets

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Fill in the blank: DNA (Deoxyribonucleic Acid) is a molecule that contains the biological instructions that make each species unique and is located in the _______ of the cell.

• nucleus

• cytoplasm

• cell membrane

• mitochondria

The structure of DNA includes which of the following components?

• Sugar, phosphate, and nitrogen base pairs

• Lipids, proteins, and carbohydrates

• Amino acids, fatty acids, and glycerol

• Starch, cellulose, and glycogen

What is a chromosome? Fill in the blank: A chromosome is ________.

• strands of tightly wound DNA.

• a type of cell membrane.

• a protein that digests food.

• a liquid found in the nucleus.

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What is a gene? Fill in the blank: A gene contains ________.

• instructions inside your body that tell your cells how to do their jobs and what traits you'll have. They're made of a special chemical called DNA and are passed down from parents to children.

• proteins that make up your muscles and bones.

• only the traits you inherit from your grandparents.

• chemicals that help you digest food.

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What is the structure of DNA called? Fill in the blank: The structure of DNA is called a ________.

• Double Helix

• Single Strand

• Triple Coil

• Quad Spiral

Which of the following are correct base pairings in DNA? Select all that apply.

• Adenine - Thymine

• Cytosine - Guanine

• Adenine - Guanine

• Thymine - Cytosine

What is the difference between genotype and phenotype? Fill in the blank: Genotype is ________, while phenotype is ________.

• the allele combination or genetic makeup of an organism; the physical appearance or traits of an organism

• the physical appearance or traits of an organism; the allele combination or genetic makeup of an organism

• the environment of an organism; the DNA sequence of an organism

• the behavior of an organism; the genetic code of an organism

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What is an allele? Fill in the blank: An allele is ________.

• a form/variant of a gene, inherited from parents. Alleles can be dominant or recessive.

• a type of cell found only in plants.

• a protein that controls cell division.

• a structure that stores genetic information outside the nucleus.

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Fill in the blank: ______ are physical features or characteristics that are unique to an individual.

• Traits

• Cells

• Organs

• Enzymes

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