Genetics

Which of the following characteristics (traits) can be inherited?

• curly hair

• beautiful handwriting

• multiplying numbers

• playing a piano

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NGSS.3-LS3-1

Samantha’s pet dog had puppies. Some of the puppies were brown and some were white. The father dog was brown. The mother dog was white.

Which statement best explains why some puppies were brown and some were white?

• The puppies only inherited traits (characteristics) from the mother dog.

• The puppies inherited traits (characteristics) from both the father dog and the mother

  dog.

• The puppies only inherited traits (characteristics) from the father dog.

• The puppies inherited traits (characteristics) from each other.

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NGSS.3-LS3-1

Angelica speaks French fluently. Her parents and grandparents do not speak any other language besides English. How is it possible that Angelica can speak French so well?

• Angelica inherited her knowledge of French.

• Angelica must be a genius.

• Angelica has a sister who speaks Spanish.

• Angelica learned how to speak French.

Which of the following traits (characteristics) would not be passed on from a tree to its offspring?

• The shape of its leaves

• Roots that grow toward water

• A trunk burned by lightning

• The kind of seeds is produces

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NGSS.3-LS3-2

The picture shows a pine tree and its offspring. Which characteristic (trait) of the offspring was not acquired from the parent pine tree?

• The species structures of roots, a trunk, branches, and pine needles

• The species function of producing pine cones (seeds)

• The species characteristic of growing tall with a pointy top

• The characteristic of being bent by strong wind

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NGSS.3-LS3-2

What is an acquired trait?

• an action an organism is taught or learns from experience

• a physical feature an organism develops in its lifetime due to an experience

• a natural behavior that an organism is born knowing how to do automatically

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NGSS.3-LS3-2

A dolphin jumping out of the water to go through a hoop

• an inherited trait

• an acquired trait

• a learned behavior

Which statement best describes a learned behavior?

• a quality or physical feature you develop sometime in your life

• something an organism does as a result of its environment or how it has been taught

• something an organism does because of its genes

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Which characteristic of a puppy is learned?

• size

• fur color

• floppy ears

• following commands

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Why do children usually look more like their brothers/sisters than their friends?

• They have more of the same environmental influences as their brothers/sisters.

• Share more DNA with their siblings from their parents than with their friends.

• They dress the same because their parents are the same.

• They spend more time with their brothers/sisters.

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