DNA and Genetics

Front

What are the four nitrogen bases in DNA?

Back

Adenine, Thymine, Cytosine, Guanine.

Front

What is a mutation?

Back

A change in the DNA sequence that can lead to changes in traits.

Front

Are mutations always harmful?

Back

No, mutations can be harmful, neutral, or sometimes beneficial.

Front

What is a genetic mutation disease?

Back

A disease caused by changes in the DNA, such as Cystic fibrosis.

Front

What is asexual reproduction?

Back

A type of reproduction where offspring are produced from a single parent without fertilization.

Front

What is sexual reproduction?

Back

A type of reproduction that involves the fusion of male and female gametes.

Front

What is a gene?

Back

A segment of DNA that contains the instructions for a specific trait.

Front

What is a chromosome?

Back

A structure made of DNA and proteins that contains genetic information.

Front

What is the difference between dominant and recessive traits?

Back

Dominant traits are expressed when at least one dominant allele is present; recessive traits are expressed only when two recessive alleles are present.

Front

What is the role of DNA in living organisms?

Back

DNA carries the genetic instructions for the development, functioning, growth, and reproduction of all known organisms.