On evolutionary trees, only one trait change can occur per branch. True/False Genetic drift and selection can both act on a given population at the same time True False Evolution by natural selection is a story of linear progress: within each group of organisms, we find that organisms become more fit and more complex over time. True False The theory of unequal parental investment predicts that across animal species, males will be less choosy than females in terms of who they mate with. True False
Added by Tonya P.
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This statement is true because each branch on an evolutionary tree represents a specific lineage, and only one trait change can be represented at a time. Show more…
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We can detect evolutionary change by comparing __________________ genotype and allele frequencies with __________________ genotype and allele frequencies in Hardy-Weinberg equilibrium. observed; expected dominant; recessive viable; deleterious genotype; phenotype True or False: Genetic drift is defined as nonrandom mating that results in some phenotypes having greater reproductive success than others, even when no benefit is apparent. True False
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1. True or False. It's possible for a population to eventually evolve into perfect organisms that will always thrive in a particular geographical location. 2. True or False. It's possible to change the allele frequency of a population simply by introducing new individuals from a nearby population of the same species. 3. Microevolution: Group of answer choices a. results in the formation of a new species b. is a large-scale change that occurs within a population of organisms c. happens over a long period of time d. is a small-scale change in allele frequencies that happens over a short period of time 4. True or False: Macroevolution leads to the formation of a new species. 5. True or False. A mutation that occurs in a non-sex cell will still get passed on to the next generation.
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True or false? All traits are inherited in a Mendelian pattern.
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