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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monster
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10
What does the term genotype mean?
The genetic makeup of an organism, represented by letters.
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15
List the three domains in our current classification system.
Eukarya, Archea, Bacteria
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20
Explain what a cladogram is and how organisms are organized onto it.
A cladogram is a diagram that shows the evolutionary relationships among organisms; they're plotted as branches based on derived characteristics that are shared
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10
Give an example of a heterozygous genotype.
Xx
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thief
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shark
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10
What aspect of Lamarck's ideas about evolution was incorrect?
He believed that acquired characteristics could be passed on from parent to offspring.
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baam
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fairy
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15
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
Describe nondisjunction and when it occurs.
Chromosomes fail to separate during anaphase 1 or 2 of meiosis.
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10
How many chromosomes do normal human somatic cells have?
46
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20
List three things required for evolution to occur.
Variation in the population, Genetic mutations/adaptations, Competition in the population
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20
If we start with 100 atoms of a radioactive substance, how much will remain after 3 half lives?
