Meiosis and Mitosis

If the body cells in cats have 38 chromosomes, how many chromosomes will be in the sperm cells of a cat?

• 76

• 19

• 38

• you cannot tell

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This picture shows which process? 

• mitosis
• meiosis
• the cell cycle

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What causes genetic variation in meiosis?

• chromosomes lining up
• crossing over of chromosomes
• separation of chromosomes
• chromosomes pulling apart

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Which process does the picture show and what type of cells are produced?

• mitosis, gametes

• mitosis, body cells

• meiosis, gametes

• meiosis, body cells

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A male shark has 40 chromosomes in each of its sex cells. How many would be present in its body cells?

• 20
• 40
• 80
• 160

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Fruit fly body cells have 8 chromosomes. After mitosis, you would expect a resulting fruit fly daughter cell to have ...

• 16 chromosomes.
• 46 chromosomes.
• 8 chromosomes.
• 4 chromosomes.

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In meiosis, the four resulting cells are 

• identical to the starting cell and different from each other.
• different from the starting cell and different from each other. 
• identical to the starting cell and identical to each other.
• different from the starting cell and identical to each other.

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Why do we need meiosis?

• To double the number of chromosomes going into sex cells
• To halve the number of chromosomes going into sex cells
• To triple the number of chromosomes going into sex cells
• To not change the number of chromosomes going into sex cells

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When a mature cell is likely not dividing for a while, what stage of the cell cycle is it in?

• Gap 1

• Gap 0

• Gap 2

• S phase

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What is the name of the process in which DNA (genetic information) is exchanged during meiosis?

• crossing under
• crossing over
• melding
• blending

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