Genes and Mutations

Front

What is a gene?

Back

A gene is a part of a chromosome that is inherited from the parent(s) and determines specific traits.

Front

What is a mutation?

Back

A mutation is a change in the genetic material that can lead to variations in traits.

Front

What is a virologist?

Back

A virologist is a scientist who studies viruses.

Front

What are variations?

Back

Variations are differences in traits that explain why siblings don't look exactly alike.

Front

How many chromosomes do humans have?

Back

Humans have 46 chromosomes.

Front

What is the role of DNA?

Back

DNA carries the genetic instructions used in the growth, development, and functioning of living organisms.

Front

What is heredity?

Back

Heredity is the passing of traits from parents to their offspring.

Front

What is a trait?

Back

A trait is a characteristic or feature of an organism, such as eye color or height.

Front

What is genetic variation?

Back

Genetic variation refers to the differences in DNA sequences among individuals.

Front

What is the difference between dominant and recessive traits?

Back

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