Mitosis and Meiosis 7th grade

What phase of mitosis is occuring in the picture?

• Prophase
• Metaphase
• Cytokinesis
• Telophase

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NGSS.HS-LS1-4

What is the first phase of Mitosis?

• Prophase
• Metaphase
• Anaphase
• Telophase

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NGSS.HS-LS1-4

In which phase does the cell spend most of it's life?

• Interphase
• Nuclear Division
• Telophase
• Mitosis

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

Tags

NGSS.HS-LS3-2

The result of meiosis is:

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

Tags

NGSS.HS-LS3-2

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 process of crossing over occurs in what phase of meiosis?

• anaphase 1
• prophase 1
• prophase 2
• telophase 1

Tags

NGSS.HS-LS3-2

The chromosomes that pair up during meiosis, are called __________ chromosomes.  

• homozygous 
• asexual
• homologous
• genes

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NGSS.HS-LS3-2

A human zygote should have _____ chromosomes inside.

• 46
• 23
• 92
• 64

Tags

NGSS.HS-LS3-2

This picture shows which process? 

• mitosis
• meiosis
• the cell cycle

Tags

NGSS.HS-LS1-4