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Digital Concept Map
3
dominant
recessive
diploid
equation used to find allele frequency
one that is expressed when possessed
2 sets
one that is masked
increased fitness
Chromosome
allele
Unit 1 Concept Map
allele frequency
how common it is in a pop.
specific form of a gene
hundreds/thousands of genes
leads to
leads to greater
antagonistic
larger amounts of heterzygotes in pop. lead to greater fitness
gene
lead to different levels of
Karrie Zhao
mutualistic
heterozygosity
heterozygote advantage
makes up
genetic diversity
predator/prey relationship is an ex. of
what is a species?
entire population has allele
helps both ends evolve
entire pop. loses allele
lost alleles
different DNA leads to
coevolution
2 definitions
is necessary for
different species
fixed alleles
different physical traits
reproductive isolation
artificial selection
one mechanism is
human interference
evolution
morphological
biological
strong selection
migration
energy trade-offs
those with adaptations survive a random event
one mechanism is
natural selection
loss of genetic variation of a new, small population
sexual selection
preference for characteristics of the other sex
genetic drift
founder's effect
competition
random movement of genes
creates organisms that can be
female choice
male contests
based on
uni/multicellular
bacteria
luck/chance
an example
sharp, random reduction of pop. size
spreads genetic info by
centralized
population bottleneck
patterns
stabilizing
horizontal gene transfer
shifts to one extreme
shifts to both extremes
disruptive
directional