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Evolution Lab Bio1b

Evolution Lab Bio1b - Allele-one of two or more forms of...

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Allele -one of two or more forms of DNA sequence of a particular gene. Each gene can have different alleles. Each allele can result in different traits, such as color. C. Darwin —all species of life have descended over time from common ancestry, natural selection diploid -two homologous copies of each chromosome dominant —trait that masks the other evolution —change over time in one ore more inherited trains found in populations of organisms fertilization —fusion of gametes to produce a new organism gamete —a cell that fuses with another during fertilization gene pool —complete set of unique alleles in a species or population genetic drift —change in frequency of a gene variant (allele) in a population due to random sampling. genotype —genetic makeup of a cell, organism, or individual, Hardy - Weinberg Principle —both allele and genotype frequencies in a population remain constant. Disturbing influences include: nonrandom mating, mutations , selection , limited population size, overlapping generations, random genetic drift, gene flow, and meiotic drive.
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