Heredity Unit Review: Inherited and Non-Inherited Traits

Which is an example of an inherited characteristic?

• ability to read

• finger calluses

• athletic abilities

• hitchhiker’s thumb

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Sam adopts two puppies from the same litter. One is a long-haired, short-tailed puppy and the other is a long-haired, long-tailed puppy. What can most likely be concluded about the parents?

• Both parents have short hair.

• The parents both live in Sam’s neighborhood.

• At least one of the parents has long hair.

• One parent is a German Shepherd and the other is a Labrador.

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A young couple is having a baby. Which best describes an inherited trait the baby may have?

• The baby will live in the same house as its parents.

• The baby may have the same eye color as its father.

• The baby will grow up to love pizza like its mother.

• The baby may grow to have a fear of heights like its parents.

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Which of the following is most likely an inherited trait?

• Having a favorite color

• Being able to roll your tongue

• Preferring spicy food

• Enjoying classical music

What is an example of a trait that is not inherited?

• Language spoken

• Height

• Eye color

• Natural hair texture

A student observes a bird building a nest. Which question helps determine whether the behavior is an instinct or learned?

• How did the bird learn to build a nest?

• How big is the nest?

• How long does it take the bird to build a nest?

• Do all birds have wings?

Kristy and Alison are sisters, but they do not look alike. Which best explains this?

• They chose to express characteristics that are different from one another.

• Kristy inherited all her characteristics from their father and Alison inherited all her characteristics from their mother.

• They both inherited characteristics from each of their parents, but chose to show only some of the characteristics.

• They both inherited characteristics from each of their parents, but the characteristics are shown in different ways.

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Which best explains why the offspring of giraffes generally look similar to their parents?

• Giraffe parents teach their offspring to look like them.

• Offspring mimic their parents’ appearances and actions.

• Giraffe parents pass on characteristics to their offspring.

• All giraffes look the same.

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Which of the following is an example of a learned behavior?

• Birds migrating south for the winter

• A child learning to ride a bicycle

• A cat purring when happy

• Fish swimming in schools

Why might two siblings have different hair colors?

• They eat different foods.

• They chose to dye their hair different colors.

• They inherited different genes from their parents.

• They live in different climates.

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