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Genetics
Population Genetics, Natural Selection...
13
Biology
10th Grade
03/28/2007

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Term
Population
Definition
A group of organisms of the same species in the same location.
Term
Species
Definition
A group of organisms that can breed and produce fetile offspring. (i.e. Biologically Succesful)
Term
Variation
Definition
Differences among individuals of the same speicies.
Term
Name three placess where variations come from.
Definition
1- Sexual Reproduction, 2- Mutations, 3- Crossing over.
Term
Mutatuions
Definition
A random change in DNA, changes a protein and hence changes the trait.
Term
Cossing Over
Definition
The exchange among homologous chromosomes in meisis creates new variations.
Term
Fill in the blanks: Hardy ___ ___ ___ ___
Definition
Wein Berg Equilibrium Principle
Term
Hardy Wein Berg Equilibrium Principle is used for what?
Definition
Measure proportions of genotypes in a population.
Term
What is the equations and requirements for the equation of the Hardy Wein Berg Equilibrium Principle? Assume Dominents=p, and recessives=q
Definition
(P^2)+2pq+(q^2), if p+q=1
Term
In (P^2)+2pq+(q^2) if p+q=1, what do the seperate parts of the equations mean?
Definition
p^2 referes to the Homozygous Dominent, 2pq referes to the Heterozygous, and Q^2 referes to the Homozygous recessive.
Term
T or F: Dominent Traits can be rare, they are not always common.
Definition
True, they can be rare.
Term
T or F: Somatic Cells are diploid cells, they are not sex cells.
Definition
True
Term
Triploid Cell
Definition
When two sperm fertilize, one ova, at the same time.
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