Dominant trait is a version of a gene that hides the effect of another version.

The trait that is hidden is called is called recessive trait.

Punnett square is used to show all the possible offspring with a particular trait that can result when two

individuals mate.

Selective breeding means select few organisms with desire traits to serve as parents of offspring.

An organism uses sexual reproduction to produce offspring by itself.

Process that makes sex cells.

Process of passing traits from parent to offspring.

Transports oxygen, nutrients, and cell wastes.

Provides the body with oxygen and removes gas wastes from the blood.

Provides body protection and support; interacts with muscles to allow movement.

During ______________, a sperm cell joins with an egg cell.

A male’s sex is called a ____________________.

A ______________ is female sex cell.

Chromosomes are divided into sections of DNA called ________________________.