Mitosis and Meiosis

Cells of organism must replicate for ?

• growth
• repair of damaged cells
• replacement of dying cells.
• All of the above

Before cells can divide, what must be copied?

• mitochondria
• cytoplasm
• DNA
• Cell Wall

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NGSS.HS-LS1-4

The division of the nucleus is known as:

• Synthesis
• Mitosis
• G1
• G2

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NGSS.HS-LS1-4

Humans have ________ pairs of chromosomes.

• 21
• 23
• 46
• None of the above

Eukaryotic cells store their genetic information(DNA) in __________.

• Chromosomes
• Centromeres
• karyotypes
• Proteins

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NGSS.HS-LS3-1

The ___________ holds the replicated sister chromatids together.

• centriole
• chromosomes
• centromere
• cycles

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NGSS.HS-LS1-4

When an animal cell goes through cytokinesis,__________

• a cell plate forms dividing the 2 new nuclei.
• the cell membrane pinches off the 2 new cells.
• 4 new cells are formed.
• None of the above

A human cell has 46 chromosomes before mitotic division.  How many chromosomes will the daughter cells after mitosis.

• 12
• 23
• 46
• 92

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NGSS.HS-LS1-4

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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NGSS.HS-LS1-4

The stages of mitosis in order

• Metaphase, Anaphase, Prophase, Telophase
• Prophase, Anaphase, Metaphase, Telophase
• Prophase, Metaphase, Anaphase, Telophase
• Anaphase, Prophase, Telophase, Metaphase

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NGSS.HS-LS1-4