Thursday, August 18, 2011

Confused about Meiosis and Mitosis...EXAM 2m please help!?

Well...what Im confused about is whether the 2 daughter cells formed in mitosis are 2n each or if they are 1 n...if they are 2n, does that mean during prophase the chromosome replicates itself becomes 4n so that when telephase and cystokinesis is through, they have 2n daughter cells? Also...in meiosis...since each gamate carries 1N and when they fuse become 2n...does that mean when the replicate prior to anaphase I, they are 4n? then meosis II they are 2n which break down to 1n each in each of the 4 daughter cells? Thanks so much...it's just that in the diagrams in the text books...the resulting daughter cells in mitosis and meiosis look like they dont have that "X" chromosome look as when the chromosome is ready to divide...so im not sure how you can distinguish between what a 1n and a 2n chromosome looks like.

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