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Meiosis vs Mitosis
Terms in this set (8)
During mitosis, a single cell divides to produce two daughter cells. What must happen in the original cell so that each of the daughter cells has a complete set of chromosomes.
The DNA must get copied
During sexual reproduction, two sex cells fuse to create a fertilized cell with a complete set of chromosomes. What must be true about the number of chromosomes in each sex cell?
They have to be half the amount of the normal cells
Why is it necessary for the cell to grow and duplicate its DNA before the start of meiosis?
To make room for the photo copied DNA and so all the cells get a copy of the DNA
How does anaphase of mitosis differ from anaphase I of meiosis?
Sister chromatids remain joined in anaphase I in meiosis
In anaphase in mitosis sister chromatids separate.
At the end of anaphase I (meiosis), how many chromosomes are on each side?
What do you notice about the size of the two resulting cells?
They are different sizes, one is bigger than the other.
All cells (body cells)
Nerve cell, skin, organ, ect
Not sex cells
Result is 2 identical cells with 46 chromosomes.
Only occurs in sex cells
Goal is 4 cells with half the amount of chromosomes diploid cell. haploid... think of "half loid"
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