Biological Evolution: Genetics

Front

How does DNA determine the traits of an organism?

Back

Encoding genetic information that guides development and functioning.

Front

What are genes?

Back

Small segments of DNA that determine a trait.

Front

What are alleles?

Back

Different forms of a gene.

Front

What is genetic diversity in a healthy population?

Back

A variety of genes combining in different ways

Front

Why does genetic variety help a population survive sudden stress such as disease or environmental change?

Back

It increases the chances of some individuals having traits that allow them to survive.

Front

What does natural selection act on?

Back

Phenotype

Front

What is the term used for the groups that biologists organize living organisms into?

Back

Taxa

Front

What is the basis for grouping species in Linnaean Classification?

Back

Similarities in physical traits

Front

What system uses two names to classify species in Linnaean Classification?

Back

Binomial system

Front

What is the correct order of the Linnaean Classification hierarchy?

Back

Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species