Meiosis and Sexual Reproduction

Unlike mitosis, meiosis in male mammals results in the formation of

• one haploid gamete
• three diploid gametes
• four diploid gametes
• four haploid gametes

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This picture shows which process?

• mitosis
• meiosis
• the cell cycle

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This picture shows which process? 

• mitosis
• meiosis
• the cell cycle

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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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NGSS.HS-LS3-2

A human zygote should have _____ chromosomes inside.

• 46
• 23
• 92
• 64

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products of meiosis are genetically

• different
• identical

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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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NGSS.HS-LS3-2

The cells produced via meiosis are called:

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

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NGSS.HS-LS3-2

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

• 18
• 9
• 27
• 36

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NGSS.HS-LS3-2

If a body cell in a butterfly contains 24 chromosomes, a butterfly egg would contain

• 3
• 6
• 12
• 24

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