Heredity and Genetics Unit Test Rev. 1

Which of the following best explains why children usually look more like their siblings (brothers and sisters) than their friends?

• They eat more of the same foods and drinks as their siblings.

• They spend more time together over the years with their siblings.

• They share many of the same genes from their parents with their siblings.

• They share more of the same environmental influences with their siblings.

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NGSS.MS-LS3-2

A deer inherits some of its features from its parents. Other features come from its

environment. Which feature would a deer MOST likely get from its environment?

• brown fur

• brown eyes

• long legs

• a broken antler

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NGSS.MS-LS1-5

The picture shows a kitten, along with its parents.

Why does the kitten appear to be different from either parent?

• The kitten did not have the proper nutrition during development.

• The kitten gets half its traits from both parents, and this creates variety.

• The kitten has a disease that makes it look different from its parents.

• The kitten is not fully grown and will soon look identical to one of the parents.

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NGSS.MS-LS3-2

The following are inherited traits of humans EXCEPT

• long hair.

• blue eyes.

• long eyelashes.

• small dimples.

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NGSS.MS-LS4-4

When both a dominant and recessive gene are present, which of the following is true?

• The dominant trait will be visible.

• The recessive trait will be visible.

• Neither trait will be visible.

• It cannot be predicted which trait will be visible.

Parents with freckles often have children with freckles. This occurs because

• freckles develop from light.

• certain foods cause freckles.

• certain habits cause freckles.

• freckles are an inherited trait.

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NGSS.HS-LS3-1

NGSS.HS-LS3-2

What determines if twins are identical?

• their genes

• their behavior

• their environment

• their blood

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NGSS.HS-LS3-1

Refer to the diagram to answer the question that follows. The mother and kitten look like each other because

• the kitten responded to stimuli around her the same way the mother did.

• the kitten is growing up in the same environment as the mother.

• the mother passed on many of her traits to the kitten.

• the mother trained the kitten to have her traits.

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NGSS.3-LS3-1

Which statement BEST describes a learned characteristic in a dog?

• A dog scratches at a door to go outside.

• A dog has floppy ears.

• A dog pants to cool itself on a hot day.

• A dog has a dark coat.

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NGSS.4-LS1-2

Which of the following characteristics is an acquired trait?

• height

• hair color

• language

• eye shape