Biology: Evolution 2
Terms
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copy deck
- 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)