Unit 3: Cell Signaling, Mitosis & Meiosis

The term diploid refers to:

• one set of chromosomes

• two sets of chromosomes

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

• 20
• 40
• 80
• 160

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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Unlike mitosis, meiosis results in the formation of

• 2N daughter cells.
• haploid cells.
• body cells.
• diploid cells.

Which of the following happens during anaphase 1?

• Homologous chromosomes line up in the middle.

• Sister chromatids are separated.

• Homologous chromosomes are separated.

• Four daughter cells are formed.

Why would it be important to replicate DNA before a cell divides in mitosis or meiosis?

• In order for genetic information to be transferred into daughter cells.
• In order for the cell to be able to increase in size.
• In order for the DNA to be contained in the nucleus.
• In order for the cell to re-order the DNA sequencing in the new cells.

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Which process creates diversity?

• Mitosis

• Meiosis and Mitosis

• Neither Meiosis or Mitosis

• Meiosis

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Meiosis results in ______.

• 4 genetically unique haploid gametes

• 4 genetically unique diploid cells

• 2 genetically identical cells

• 4 genetically identical cells

Identify the phase.

• Telophase I
• Telophase II
• Metaphase I
• Metaphase II

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Haploid cells are represented by

• 2n

• n

• 1/2 n

• 4n