Traits and Reproduction Chapter 2 Flashcard

Front

What is a gene?

Back

An instruction for making a protein molecule.

Front

What does variation mean in biology?

Back

Any difference in traits between individual organisms.

Front

What determines an organism's traits?

Back

The proteins produced by the organism.

Front

What is an example of a feature in biology?

Back

Hair color.

Front

How do differences in protein structure affect their function?

Back

They affect how they connect to other protein molecules.

Front

What is fertilization?

Back

The process where male and female gametes combine to form a zygote.

Front

What is an allele?

Back

A variant form of a gene that can produce different traits.

Front

What role do proteins play in an organism?

Back

Proteins perform various functions, including building structures and facilitating biochemical reactions.

Front

What is the nucleus?

Back

The part of a cell that contains genetic material (DNA) and controls cell activities.

Front

What is a trait?

Back

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