Basic Genetics

Front

What is an Allele?

Back

Different versions of a gene.

Front

Can alleles be dominant only?

Back

False

Front

What does genetics study?

Back

How genes and traits are passed down from one generation to the next.

Front

Does a DNA molecule consist of four strands wound around each other?

Back

False

Front

What is inside a cell's nucleus?

Back

Chromosomes.

Front

What are genes?

Back

Segments of DNA that determine traits.

Front

What is a chromosome?

Back

A structure made of DNA that contains many genes.

Front

What is the function of DNA?

Back

To store genetic information.

Front

What is a dominant allele?

Back

An allele that expresses its trait even when paired with a different allele.

Front

What is a recessive allele?

Back

An allele that only expresses its trait when paired with another recessive allele.