Week 6 - Tom Marler BIOL 108 Worksheet 6 September 20, 2009...

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BIOL 108 Worksheet 6 September 20, 2009 1. What is a karyotype? ______________(1)_____________ (1) A karyotype is a visual display of a person chromosomes 2. What is the purpose of chronic villi sampling? ______(2)_________ (2) The advantage of CVS is getting the results of karyotyping at an earlier date. During CVS a suction tube is used to remove cells from the chorion where the placenta will develop. CVS carries a greater risk of spontaneous abortion than amniocentesis. 3. What are the stages of interphase? _____(3)______, ____(4)______ and _____(5)____ (3) G1 Stage (4) S stage (5) G2 Stage 4. What are the phases of mitosis? ______(6)____, _______(7)_______, ______(8)______ and ______(9)_______ (6) Prophase (7) Metaphase (8) Anaphase (9) Telophase 5. What is the function of mitosis? __________________(10)_____________ (10) The function of mitosis is responsible for new cells in the developing embryo, fetus, and child. It is also responsible for replacement cells in an adult. A keloids occurs when mitosis continues abnormally in respond to an injury Growth factors stimulate a cell signaling pathway that stretches from the plasma membrane to the genes that regulate the occurrence of the cell cycle. 6.
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Week 6 - Tom Marler BIOL 108 Worksheet 6 September 20, 2009...

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