Front

What are long strands of DNA that contain lots of genes?

Back

Chromosome

Front

What are different versions of a gene called?

Back

Allele

Front

Who do humans inherit traits from?

Back

Parents

Front

In sexually reproducing organisms, each parent contributes what fraction of the genes acquired by the offspring?

Back

Half

Front

The offspring of sexually reproducing organisms have genes that are what compared to that of their parents?

Back

Different

Front

What is the term for a characteristic that is passed from parents to offspring?

Back

Inherited trait

Front

What is the basic unit of heredity in a living organism?

Back

Gene

Front

What is the process by which genetic information is passed from one generation to the next?

Back

Inheritance

Front

What is the variation in traits among individuals in a population called?

Back

Genetic variation

Front

What is the term for the observable physical or biochemical characteristics of an organism?

Back

Phenotype