gene pool
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| 19. What is a gene pool? | all the genes of all the members of a particular population alleles
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| 20. What is a mutation? | changes in sequence of dna
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| 21. What will happen to a species (organism) that lacks variation that allows it to adapt to its environment? | it will die off
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| 22. What happened with the peppered moths in the 1800’s in England? Which color was more fit for its’ environment? | they adopted their enviroment
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| 23. In Arizona, a rabbit had a litter of babies. Some of its offspring were white and some were brown. An owl started to prey and eat the white rabbits. This is an example of: | survival of the fittest / nstural selection
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| 25. Water fowl such as ducks and swans have webbed feet whereas birds on land have clawed feet. What would explain this difference? | adaption
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| 26. What are the two sources of genetic variation? | mutations and gene shuffling
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| could natural selection occur with genetic varietion ? | no populations would die
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| 27. According to this family tree how many animals have jaws? | 4
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| 28. According to this family tree which member probably changed the least over time? | charlie brown
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| which member has the most similardna to charlie blue green ? | charlie blue yellow
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| what do all organisms have in common that allows them to pass on genetic information to their offspring ? | dna
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| as species evolve and cannot reproduce with each other they become | reproductuly isolated
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| list three types of reproductive isolation | 1 behavioral 2 geographic 3 temporal
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Created by:
r1005020