Growth & Development Quiz

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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How many chromosomes do humans have?

• 46
• 21
• 10

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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What phase of mitosis is pictured?

• Metaphase
• Telophase
• Prophase
• Anaphase

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When an area of a chromatid is exchanged with the matching area on a chromatid of its homologous chromosome, _________________ occurs

• crossing over
• mutagenesis
• hybridization
• fertilization

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If the Diploid number of Carrots is 18, the haploid number is

• 18
• 9
• 27
• 36

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The cells produced via meiosis are called:

• sex cells
• somatic cells
• body cells
• skin cells

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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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The result of meiosis is:

• two diploid cells
• two haploid cells
• four diploid cells
• four haploid cells

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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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