WWU BIO 101 CONNELL FINAL EXAM with complete solution 2023 verified

WWU BIO 101 CONNELL FINAL EXAM with complete solution 2023 verified Mutation - correct answer An alteration in the base-pair sequence of an individuals DNA; may arise spontaneously or following exposure to a mutagen Positive mutation example - correct answer there is a mutation that is creating heavier bone density, lowering the risk of osteoporosis Negative Mutation Example - correct answer Sickle cell anemia Asexual mutation - correct answer many mutations in plants are mutations that either happen naturally or through chemicals, they often change the physical appearance of they asexual organism Sexual mutation - correct answer a mutation might create a new allele that might code for a new protein, the new allele can then be passed down generation to generation Gene flow - correct answer The movement of some individuals of a species from one population to another. Genetic drift - correct answer a random change in allele frequencies in a population When allele frequency reaches 100% - correct answer then organisms will only be producing offspring that carry only that allele until mutation brings around another allele. Founder effect - correct answer A small number of individuals may leave a population and become the founding members of a new isolated population. May have a different allele frequency than the original source.