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Anatomy
Undergraduate 4
04/28/2014
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Term
Mitosis resuts in the formation of 2 daughter nuclei that are
 Definition
identical to the mother nucleus
Term
In humans mother and daughter chromosomes have
 Definition
46 chromosomes
Term
What happens in prophase
 Definition

-Nuclear envelope breaks down

Chromatin (DNA with associated proteins) begins to condense into chromosomes

-Formation of centromeres--small boy that connects the sister chromatids

-centrioles migrate towards opposite ends of cell

mitotic spindle, made from microtubules, grows out from centrioles
Term
What happnes in Metaphase
 Definition
Chromosomes lined up at the equator of the cell
Term
anaphase
 Definition
Centromeres split and the chromatids are pulled to opposite ends of the cells
Term
Telophase
 Definition

Chromosomes at opposite ends of the cell begin to decondense to chromatin

 

*Nuclear membranes form around chromatin
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