Bio 280 - Study guides, Class notes & Summaries

Neutral theory proposes that a. most molecular evolution is due to genetic drift rather than natural selection b. natural selection is not a major cause of phenotypic evolution c. most mutations are neutral with respect to selection d. the substitution rate is not related to the neutral mutation rate - A Natural selection acts on ________; _________ evolve. a. individuals, individuals b. individuals, populations c. populations, individuals d. populations, populations - B Which of t...

Command Center Monitor Body Fluids - Lymphoid Organs Series of blind-ended vessels which drain body tissues (ended by the lymph nodes) - Lymphatic System Where are T and B cells produced? - Bone Marrow Where do T cells mature? - Thymus Where do B cells mature? - Bone Marrow What do T and B cells colonize? - The same lymphatic tissues Lymphoid Organs - Lymph Nodes Spleen Mucosal Associated Lymphatic Tissue Mucosal Associated Lymphatic Tissue (MALT) - Tonsils (Face) Adenoi...

adaptions - inherited aspects of an individual that allow it to outcompete other members of a population that lack the trait (or that have a slightly different version of the trait). Adaptions are traits that have evolved through the mechanism of natural selection analogous traits - similar because they have converged on shared form. they are not derived from common ancestor apamorphy - • a form of a derived state Australopithecines - members of the hominin genus Australopithecus biolog...

*The scenario: In a single, isolated population, mutations of each of the three types in options a-c below occur, and the resulting genotypes ultimately become fixed in that population. Other populations never experienced these mutations, so the original genotypes remain. Now we'll hybridize members of that isolated population to members from one of the others. -Which of the following types of mutation is MOST LIKELY to cause reproductive isolation as a side effect? - Large Inversion ( chr...

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