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10
×
How many chromosomes do normal human somatic cells have?
46
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5
×
How are cancer cells different from normal cells?
Cancer cells have lost their ability to control their rate of growth and cell division.
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seesaw
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rocket
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fairy
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5
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25
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thief
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15
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Why are fossil fuels nonrenewable?
They form over millions of years.
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10
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Give an example of a homogenous genotype.
XX or xx
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15
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What is incomplete dominance?
When one allele is not completely dominant over another, so that the resulting phenotype is a blend.
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15
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Compared to complete dominance, how do co-dominant alleles affect the phenotypes of organisms?
They increase the number of different phenotypes that are possible.
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15
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List the three domains in our current classification system.
Eukarya, Archea, Bacteria
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5
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What happens during metaphase of mitosis?
The chromosomes line up in the middle of the cell.
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15
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Describe the greenhouse effect.
This is when gases in the atmosphere build up and act as a blanket to the earth, preventing heat from escaping into outer space.
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15
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What happens during each of the following phases of interphase: G1, S, and G2?
G1- cell growth S- DNA synthesis G2- prepare for mitosis
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10
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Why is do cells divide before they become too large?
Large cells place more demands on DNA, the cell has trouble moving enough material in and out of the cell membrane
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heart
Other team wins 10 points!
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seesaw
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rocket
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lifesaver
Give 25 points!
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10
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How many and what type of cells result from meiosis?
4 genetcially different cells
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seesaw
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rocket
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rocket
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thief
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10
×
How many sets of chromosomes does a gamete have?
one set (23 total chromosomes)
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