2022 Final Exam Test Review Antkowiak

Front

Why did the number of white peppered moths decrease so much by 1895?

Back

They did not blend in with the trees and birds ate them.

Front

What do two organisms that are closely related have in common?

Back

Very similar DNA sequence.

Front

What is the theory that organisms acquire traits during their lifetimes that help them adapt to their environments?

Back

Theory of acquired characteristics.

Front

What is the mode of inheritance shown when a trait is expressed even if only one copy of the gene is present?

Back

Autosomal Dominant.

Front

What is the mode of inheritance shown when a trait is expressed only if two copies of the gene are present?

Back

Autosomal Recessive.

Front

What is natural selection?

Back

The process where organisms better adapted to their environment tend to survive and produce more offspring.

Front

Define evolution.

Back

The change in the heritable characteristics of biological populations over successive generations.

Front

What is artificial selection?

Back

The intentional breeding of organisms with desirable traits.

Front

What is a phenotype?

Back

The observable physical or biochemical characteristics of an organism, as determined by both genetic makeup and environmental influences.

Front

What is a genotype?

Back

The genetic constitution of an individual organism.