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| surroundings of an orgnaism |
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| Self replicating material present in almost all living organisms |
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| Specific place on chromosome |
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| string like struct of nucleic acids |
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| Haploid set of chromosomes |
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| n. trait that is favorable in enviroment v. when that trait is developed |
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| when humans breed animals or plants for certatin characteristics |
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| when animals with favorable traits survive |
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| number of sets of chromosomes |
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| the genetics behind the phenotype |
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| alternative forms of a gene |
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| connect between genes of same hromosome |
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| during meiosis were in heritance is random |
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| Link genes undergo recombination |
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| changes in genetic material not caused by recombination |
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| term for standard or reference type |
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| when the heterozygous is intermidiate between homozygous |
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| two alleles produce different phenotypes and both appear in heterozygous |
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| determiniation of of more than one character by a single gene |
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| interaction between genes in which a present allele determines if another gene will be expressed |
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| pattern of inheritaence based on location of gene on sex specific chromosome |
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| proportion of organisms with a genotype that showed expected phenotype |
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| degree with phenotype is expressed int he phenotype |
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| contribution of genotypes and phenotypes to future generation |
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| exchange of genes between populations thru migration |
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| changes of frequency generation to generation |
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| a situation where a few number survive in a normally large population |
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| a small change in allele resulting in another population |
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| selection of mates on traits or genes |
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| mating of individuals that have more traits in commmon |
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| mating with individual with less things in common |
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| selection by one sex of characteristics in individuals of opposite sex |
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| splitting a population until they are no longer able to produce offspring |
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| proportion of allele to population |
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| the number of times a genotypes appear in a population |
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| # of phenotype / population |
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| When the enviroment changes so the species also changes until can no longer breed |
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| due to reproductive isolation without physical seperation |
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| combining two seperate speicies |
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| Prezygotic isolating mechanism |
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| barriers to reproduction before ferilization |
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| postzygotic isolation mechanism |
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| barriers after fertilization |
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