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SLS Bio11 Evol. RD

SLS Bio11 Evolution RD

TermDefinition
Complementary base pairing describes the manner in which the nitrogenous bases of the DNA molecules align with each other
convergent evolution describes the independent evolution of similar features in species of different lineages
divergent evolution The process by which an interbreeding population or species diverges into two or more descendant species
deoxyribonucleic acid DNA
double helix a pair of parallel intertwined about a common axis, structure of DNA
evolutionary change gradual change in characteristics of a population of animals or plants over generations
gene flow the transfer of alleles or genes from one population to another
genetic drift variation in the relative frequency of different genotypes in a small population
gradual change model species ten to accumulate changes fairly steadily
mutation the action of process of mutating
natural selection the process whereby organisms better adapt to their environment tend to survive and produce more offspring
nitrogenous base nitrogen bearing compound with chemical properties of a base
non-random mating mating that has not occurred due to chance, and therefore has had human interference
punctuated equilibrium model the theory that new species evolve suddenly over brief periods of time, followed by longer periods of no genetic change
speciation the formation of new and distinct species in the course of evolution
sugar-phosphate the nucleotides are joined to one another in a chain by covalent bonds between the sugar of one and the phosphate of the next
Created by: 100003786590142
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