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January 30, 2013

January 30, 2013. Name one limit to cell growth. What is the surface area of the cell? How does it affect the rate of exchange? What happens to the surface area to volume ratio as cell size increases? Which increases at a greater rate, surface area or volume?

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January 30, 2013

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  1. January 30, 2013 • Name one limit to cell growth. • What is the surface area of the cell? How does it affect the rate of exchange? • What happens to the surface area to volume ratio as cell size increases? • Which increases at a greater rate, surface area or volume? • Calculate the surface area and volume of a cubed cell with the following measurements: • Length (L) = 4 • Width (W) = 4 • Height (H) = 4 • # of sides = 6

  2. February 6, 2013 • The division of the cell nucleus is also known as ________ • Chromosomes are made of two sister _________ attached at the ________ • _________ includes G1, S, and G2 phase. • Cytokinesis occurs at the same time as ___________ • During ________, chromosomes line up in the middle of the cell • What causes cells to stop growing in a crowded petri dish? • What disease results from a cell’s inability to regulate growth and division?

  3. February 7, 2013 • Who was Gregor Mendel? • What makes an organism “true-breeding”? • How did Mendel crossbreed two different plants?

  4. February 11, 2013 • What did Mendel conclude from his P and F1 crosses? (Mendel’s 2 conclusions, look at notes) • A rabbit is heterozygous dominant for a brown coat. What is his genotype and phenotype? Use C or c for the alleles. • A rabbit is homozygous recessive for white coat. What is its genotype and phenotype? Use C or c for the alleles.

  5. February 12, 2013 • What is independent assortment? • How did Mendel’s two-factor cross prove the principle of independent assortment?

  6. February 13, 2013 • Describe two inheritance patterns besides simple dominance. • Determine the possible gametes for an organism with the following genotype: AaBB

  7. March 6, 2013 1) Draw a pedigree for the following family: One couple has a son and a daughter with normal pigmentation. Another couple has one son and two daughters with normal pigmentation. The daughter from the first couple has three children with the son of the second couple. Their son and one daughter have albinism; their other daughter has normal pigmentation. 2) Give an example for each type of genetic disease: Recessive: Dominant: Co-dominant:

  8. March 8, 2013 • If a person has XXY for sex chromosomes, he has what disorder? • When chromosomes fail to separate during meiosis,  ___________ has occurred. • What is the difference between sex linked and sex chromosome disorders? • Humans have ______ pairs of chromosomes. _____ are autosomes and 2 are ______________. • A person who has an extra chromosome #21 (trisomy 21) has what disorder?

  9. March 18, 2013 • What is the end result of meiosis? How is this different from mitosis? • What are the two limits to cell growth? • Name the stages of the cell cycle. • A ________ can be used to identify a chromosomal mutation while a _________ can be used to track the inheritance of a disease or trait.

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