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Biology: Evolution 2

Terms

undefined, object
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gamete
male or female reproductive cell with 1/2 set of chromosomes
mutation
a sudden departure from the parent type in one or more heritable characteristics
allele
1/2 of a gene
genetic drift
random changes in the frequency of alleles in a gene pool
microevolution
minor evolutionary change observed over a short period of time
gene pool
the total alleles that could swap in a gene pool
gradualism
where evolutionary changes in a species happens slowly in tiny jumps over a long period of time
punctuated equilibrium
characteristic same for long periods of time, that make big changes in short periods of time
DDT
a white, crystalline, water-insoluble solid used for insecticide
mutigen
any environmental factor that increases the probability of a cellular mutation
Rachel Carson
1964 book Silent Spring concept-bioaccummulation
Lamark
concious change
use and disuse
law of aquired characteristics
Lyell
principles of geology
the earth has changed over time
Malthus
essay on population
grows until a scarcity is reached
Wallace
preadapted trait
Darwin
evolutionist
Beagle
Galapagos
Fitzroy
captian of the Beagle
commited suicide
didn't like Darwin
two people who study finches in Galapagos
Thala Grant and Peter Grant
paradigm
a prevailing belief, a new understanding taht everyone believes...i.e. microchip
el niño
a shift in current
atrophy
wings are smaller or shrunken, disproportionally developed
vestigial
flightless wings
prehensile
the ability to grip
Colgate Alma Mater:
Colgate, alma mater
Fairest theme of all our lays.
Colgate, alma mater
Ever bless thy days.
miosis
process of 2n cells becoming 1n gametes
mitosis
a diploid reproducing itself (asexual reproduction)
fertilization
1n+1n=2n
two gametes fuzing (sexual reproduction)
diploid cells
have full set of dna
2n
all body cells
monoploid
have 1/2 set of dna
egg or sperm cells
gametes
What is the WORST place to have a mutation?
reproductive cells (egg and sperm cells)

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