Pedigree Charts

How many females show the trait in a pedigree chart?

• 1

• 2

• 3

• 4

What shape represents a female in a pedigree chart?

• Square

• Triangle

• Circle

• Diamond

What is the purpose of a pedigree chart?

• To track the inheritance of traits across generations

• To create a family tree without genetic information

• To analyze the geographical distribution of species

• To determine the age of an organism

What does a line connecting two individuals in a pedigree indicate?

• A marriage

• A divorce

• A sibling relationship

• An adoption

How many generations are typically shown in a pedigree chart?

• 2

• 3

• 4

• 5

What does an unfilled shape represent in a pedigree chart?

• An individual expressing the trait

• An individual not expressing the trait

• An individual with an unknown trait

• An individual who is a carrier of the trait

What shape represents a male in a pedigree chart?

• Circle

• Triangle

• Square

• Diamond

What is the difference between a dominant and recessive trait in a pedigree?

• Dominant traits appear in every generation, while recessive traits may skip generations.

• Recessive traits are always more common than dominant traits.

• Dominant traits can only be inherited from one parent, while recessive traits require both parents to carry them.

• Recessive traits are always expressed in the phenotype, while dominant traits are not.

How are individuals III-2 and II-4 related in a pedigree chart?

• Cousins

• Siblings

• Uncle and Niece

• Grandfather and Grandchild

How can you identify carriers of a trait in a pedigree chart?

• They are typically represented by filled shapes connected to unfilled shapes.

• They are typically represented by unfilled shapes connected to filled shapes.

• They are typically represented by dashed lines connecting shapes.

• They are typically represented by shapes with a different color.