Chapter 16 Biology Vocab

16 cards

Chapter 16 Bi Ology Vo


 
  
Created Apr 19, 2011
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hopebontempo

 

 
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1
Gene Pool
 
Combined genetic information of all the members of a particular populations.
2
Relative Frequency
 
Number of times an allele occurs in a gene pool compared with the number of times other alleles...
3
Sinlge-gene Trait
 
Trait controlled by a single gene.
4
Polygenic Trait
 
Trait controlled by two or more genes.
5
Directional Selection
 
Form of natural selection in which the entire curve moves.
6
Stabilizing Selection
 
Form of natural selection in which the center of the curve remains in its current position.
7
Disruptive Selection
 
Form of selection in which a single curve splits into two.
8
Genetic Drift
 
Random change in allele frequencies that occurs in small populations.
9
Founder Effect
 
Change in the allele frequencies as a result of the migration of a small subgroup of a population.
10
Hardy-Weinberg Principle
 
Principle that allele frequencies in a population will ramain constant unless one or more factors...
11
Genetic Equilibrium
 
Situation in which allele frequecies remain constant.
12
Speciation
 
Formation of new species.
13
Reproduction Isolation
 
Seperation of species or populations so that they cannot interbreed and produce fertile offspring.
14
Behavioral Isolation
 
Form of reproduction isolation in which two populations have different in courtship rituals...
15
Geographic Isolation
 
Form of reproduction isolation in which two populations are seperated physically by geographic...
16
Temporal Isolation
 
Form of reproduction isolation in which two populations reproduce at different times.

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