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Bio 182 exam 1/38 Questions and answers/100% Verified
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Bio 182 exam 1/38 Questions andanswers/100% Verified
natural selection - -A natural process resulting in the evolution of organisms
best adapted to the environment.
-Hypothesis - -a proposed explanation for a set observations (if then logic)
-Theory - -hypothesis that is supported by many theories
-scientific method - -observer, question, hypothesis, test, explain
-true breeding - -homozygous for the trait
-allele - -Different forms of a gene
-F1 generation - -the first generation of offspring obtained from an
experimental cross of two organisms
-genotype ratio - -homozygous dominant: heterozygous: homozygous
recessive
-phenotype ratio - -dominant and recessive
-Heterozygous - -dominant strong
-Homozygous - -recessive weak
-polygenic - -multiple genes contribute to a phenotype
-sex linked genes - -a gene that is carried on the X or Y chromosome
-Codominance - -blood types/ both phenotypes
-mutation - -errors in DNA replication
-genetic drift - -occurs faster in small population, change in gene pool
-gene flow - -the transfer of genetic variation from one population to
another
-Microevolution - -four causes: mutation, genetic drift, gene flow, natural
selection
change in allele frequencies within a population
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