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Author Question: Using 1 as the first step, 2 as the second step, and so on through step 5, order the phases carried ... (Read 155 times)

nautica902

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on: Jul 21, 2018

Using 1 as the first step, 2 as the second step, and so on through step 5, order the phases carried out
  by the cell during mitosis.


 
 

A. anaphase
  B. late prophase
  C. telophase
  D. early prophase
  E. metaphase



Question 2

Describe the difference between mitosis and meiosis.
 
  What will be an ideal response?


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cassie_ragen

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Reply #1 on: Jul 21, 2018
Answer to Question 1

1. 4
2. 2
3. 5
4. 1
5. 3



Answer to Question 2

In mitosis, each chromosome splits in two. The wall of the nucleus disappears, and the chromosomes
move to opposite sides of the cell wall in pairs. Then a new nucleus wall forms around each pair of
chromosomes. The walls on opposite sides of the original cell then move toward each other until they
divide the cell into two new cells complete with nuclei and pairs of chromosomes.
With meiosis, the chromosomes separate and move individually to the cell walls. When new cells are
formed, each cell contains only one of each chromosome pair rather than both chromosomes. When
the egg is fertilized, the sperm contributes the other chromosome. In animals, meiosis occurs only in
the reproductive organs. When an egg is fertilized, the sperm contributes one half of each chromosome
pair; the egg contributes the other.



nautica902

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Reply 2 on: Jul 21, 2018
Excellent

dantucker

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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