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Mitosis

Mitosis science test

questions/ tremsanswers/definitions
where dose mitosis take place in human body (somatic) cells
mitosis chromosomes multiply and divide when the cell reproduces producing daughter cells that are identical to parent cell
chromatin uncoiled strands of DNA
chromosomes coiled chromatin; contains genes
homologous pairs chromosome pairs that are structurally similar and contain information for some genes; (can different expression of information on those genes)
mitosis occurs in human body (somatic) cells these are every cell but the egg or sperm
How many cells dose somatic (body) cells have 46 cells
how many homologous chromosome pairs are there 23 pairs
diploid cells contain all homologous pairs of chromosomes
Interphase chromosomes (in form of chromatin) and organelles replicate
Mitosis chromosomes divide
Prophase chromatin coils into chromosomes (hint: each chromosomes now is made up of 2 chromatids joined by a centromere)
prophase nuclear membrane disappears
Metaphase chromosomes move to the center of the cell (the equator)
Anaphase chromosomes divide and chromatids separate (pulled apart)
anaphase chromatides are pulled to opposite sides pulled by spindle fibers
telophase centroles and spindle fibers disappear
telophase chromaatids unwind back into chromatin
telophase neclear membrane reforms
cytokinesis cytoplasm starts to divide into new cells and parent cells divide
cytokinesis there are now 2 daughter cells that have DNA identical to the parent cell
Created by: faithrinrhart
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