DNA - Genes - Chromosomes Pop Flashcard

Front

What is DNA?

Back

DNA (Deoxyribonucleic Acid) is the molecule that carries the genetic instructions for life.

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What are genes?

Back

Sections of DNA arranged along the chromosomes that code for specific traits.

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What are chromosomes?

Back

Structures made of DNA and proteins that contain genetic information.

Front

How many chromosomes do humans have?

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Humans have 46 chromosomes, arranged in 23 pairs.

Front

What is the role of nitrogenous bases in DNA?

Back

Different orders of nitrogenous bases (adenine, thymine, cytosine, guanine) code for different proteins.

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Where is DNA located in a human cell?

Back

DNA is found in the nucleus of the cell.

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What determines the sex of an organism?

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The sex of an organism is determined by two specific chromosomes, one from each parent.

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What is genetic variation?

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Genetic variation refers to the differences in DNA among individuals, which can be caused by the inheritance of different alleles from parents.

Front

What is a nucleotide?

Back

A nucleotide is the basic building block of DNA, consisting of a sugar, a phosphate group, and a nitrogenous base.

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What is the function of ribosomes?

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Ribosomes are the cellular structures where proteins are synthesized.