Genetic Traits and Pedigree Charts

Where do genetic traits come from?

• The environment.

• Experiences during your lifetime.

• Parents.

• Food you eat.

What is genetic variation caused by?

• Changes in the environment.

• Different combinations of genes passed from parents.

• Acquired traits.

• Random chance.

Which of the following is an example of an acquired trait?

• Eye color.

• Hair texture.

• A scar from an injury.

• Height.

Genetic traits are determined by:

• Habits.

• Genes.

• Exercise.

• Diet.

What is the purpose of a pedigree chart?

• To show the history of a family's pets.

• To track acquired traits.

• To understand how genetic traits are passed down.

• To predict the weather.

Dominant traits are represented by:

• Lowercase letters.

• Uppercase letters.

• Numbers.

• Symbols.

A recessive trait will only show up if:

• You get the gene from one parent.

• You get the gene from both parents.

• The environment is right.

• You exercise regularly.

If a person has one gene for a dominant trait and one gene for a recessive trait, which trait will be expressed?

• The recessive trait.

• The dominant trait.

• A combination of both traits.

• Neither trait.

Pedigree charts help us to identify:

• The amount of food a family eats.

• Patterns of trait inheritance.

• The weather patterns.

• The type of house a family lives in.