Genes, chromosomes, and DNA

Front

What does DNA stand for?

Back

Deoxyribonucleic acid

Front

What is a gene?

Back

A piece of DNA that contains the instructions for making a specific protein.

Front

Where is DNA located in a cell?

Back

Inside the nucleus.

Front

How many copies of each gene do humans have?

Back

Two copies, one inherited from each parent.

Front

What is the role of genes in inheritance?

Back

Genes are passed from parents to offspring and determine traits.

Front

What is the structure of DNA?

Back

DNA is a double helix made up of nucleotides.

Front

What are nucleotides?

Back

The building blocks of DNA, consisting of a sugar, a phosphate group, and a nitrogenous base.

Front

What are the four nitrogenous bases in DNA?

Back

Adenine (A), Thymine (T), Cytosine (C), and Guanine (G).

Front

How do the nitrogenous bases pair in DNA?

Back

Adenine pairs with Thymine, and Cytosine pairs with Guanine.

Front

What is the function of DNA?

Back

To store and transmit genetic information.