Mitosis Meiosis Lectures 2 and 3

Mitosis Meiosis Lectures 2 and 3 - Discussionsstartnextweek

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End of chapter problems- do before discussion Find on blackboard under “End of Chapter Problems”, or in study  guides Homework 1 on Mathbench Due by next Friday Feb 5th  Find it on discussion blackboard site.  Quirks:  Once you start the actual data input part of the homework, do not  minimize or close the window.  If you do, it will freeze.  Once you start, you must finish in the same session.  There is no  time limit, but do not log out and try to finish the homework later.   Again, it will freeze if you do.   In the event that the program does freeze, you will need to e-mail  your TA so they can get your account reset.  Discussions start next week
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Weekly Review Sessions Weekly Review Sessions Next Tuesday Feb 2 th Following one Wednesday Feb 10 th 6-8 pm  H.J. Patterson Room 2242 Dates on Lecture Blackboard site    “Review Sessions” tab 
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Information  Information  Management in Cell  Management in Cell  Division Division Chapter 2
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2.5b p.20 Prokaryote: Generally one strand  of DNA   0.6-6 Mbp long Mbp=mega  bp=million  bp
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Eukaryotic Cell- Nucleus and Chromosomes
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 1   245 Mbp 153 Mbp Y    51 Mbp 22   49 Mbp 21   47 Mbp 20   64 Mbp 19   64 Mbp 18   78 Mbp 17   82 Mbp 16   90 Mbp 15  100 Mbp 14  105 Mbp 13  114 Mbp 12  133 Mbp 11  135 Mbp 10  135 Mbp  9   135 Mbp  8   146 Mbp  7   158 Mbp  6   171 Mbp  5   181 Mbp  4   192 Mbp  3   199 Mbp  2   243 Mbp Human genome  3,070 Mbp (million bp) Would be about 3 feet long if one piece  Human Chromosomes Yeast                      12Mbp  16 chromosomes Arabidopis (plant) 100 Mbp  5 chromosomes Fruit Fly                  122 Mbp  4 chromosomes Dog     2,500 Mbp 39 chromosomes
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Centromere   constriction Telomere-ends
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KARYOTYPE:  a set of chromosomes as  seen during cell division number size shape staining    patterns
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http://www.web-books.com/MoBio/Free/Ch1C3.htm Human Karyotype
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Other Karyotypes Dog (n=49)  all autosomes are acrocentric Rens  et al.   Genome Biology  2007  8 :R243  Duck-Billed Platapus  (n=21 + 5 sex chromosomes) 
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Cartoon Photo p arm (short) q arm (long) Human Kayotype-Banding Patterns Gemsa dye (G-bands) Dark    inactive regions Bright     active regions
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FISH- Fluorescently labeled DNA hybridization   color based upon sequence
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a matched pair of chromosomes  one is from male parent and the other is from the  female parent. humans
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Mitosis Meiosis Lectures 2 and 3 - Discussionsstartnextweek

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