Genetic Processes
Diversity
Gen. Variability
HWP
Speciation
100
The source of genetic variation
What is a mutation?
100
A group of organisims that share similar characterisitcs and can interbreed to produce fertile offspring.
What is a species?
100
Increases the change in the gene pool and increases the adaptations of a species.
What is non-random mating?
100
When there are no changes in allel frequency in a species.
What is genetic equilibrium?
100
Occurs when a catastrophic event changes the environment very suddenly, and it is impossible for a species to adapt.
What is mass extinction?
200
A group of organisims that can interbreeds and share common characteristics.
What is a population?
200
All of the genes including the alleles in a population.
What is a gene pool?
200
All of the genes available in a population.
What is a gene pool?
200
Ideal large population where there are no migrations, mutations, or random mating.
What is the Hardy-Weinberg Principle?
200
Barriers to successful breeding between population members lead to new species.
What is reproductive isolation?
300
determined by dividing the number of instances of a certain allele by the total number of alleles of all types in a population.
What is allele frequency?
300
Darwin's term for what a genetic change has when it is favored by naturaul selection.
What is fitness?
300
The variation in a sequence that occurs within a population.
What is a phenotype?
300
Individuals with the average form of a trait have the highest fitness.
What is stabalizing selection?
300
A physical barrier such as a new river causes a pysical seperation of a population.
What is geographical isolation?
400
Meiosis occurs to produce gametes.
What is sexual reproduction?
400
When inherited traits are harmful to survival or reproduction.
What is a genetic reason organisims die out?
400
The movement of individuals from one population to anouther.
What is migration?
400
Individuals with either the left or right extreme variation (on the bell curve) of a trait have greater fitness (shift in 2 directions).
What is disruptive selection?
400
When new species form because members are prevented from reproducing with the entire population.
What is isolation?
500
The study of evolution from a genetic point of view.
What is population genetics?
500
The movement of genes from one population to anouther.
What is gene flow?
500
When allele frequencies in a population change as a result of random events.
What is genetic drift?
500
Individuals with a more extreme form of a trait have greater fitness (shift in one direction only).
What is directional selection?
500
The process of forming a new species by biological evolution from a preexsisting species.
What is speciation?
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