DNA

Front

What is DNA?

Back

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

Front

What are the four nitrogen bases in DNA?

Back

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

Front

What is the structure of DNA?

Back

DNA has a double helix structure, resembling a twisted ladder.

Front

What is a gene?

Back

A gene is a segment of DNA that contains the instructions for building a specific protein.

Front

What is a chromosome?

Back

A chromosome is a long, continuous thread of DNA that contains many genes.

Front

What is the role of DNA in heredity?

Back

DNA is passed from parents to offspring, carrying genetic information that determines traits.

Front

What is a nucleotide?

Back

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

Front

What is the function of the phosphate group in DNA?

Back

The phosphate group helps to form the backbone of the DNA structure.

Front

What is complementary base pairing?

Back

Complementary base pairing is the specific pairing of nitrogen bases: A with T and C with G.

Front

What is an allele?

Back

An allele is a variant form of a gene that can result in different traits.