Explain the mechanisms that produce change in populations from generation to generation. 1. artificial selection 2.natural selection 3.genetic drift
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- Population genetics is the study of ________. a. how allele frequencies in a population change over time b. populations of cells in an individual c. the rate of population growth d. how genes affect embryological developmentWhich statement illustrates the connection between natural selection and overreproduction of a population? a) populations vary in their inherited traits. b) species produce more offspring than can survive in the environment. c) individuals with inherited traits that promote survival tend to have more surviving offspring. d) individuals with traits that do not enhance survival cannot reproduce.Which type of selection results in greater genetic variance in a population? a. stabilizing selection b. directional selection c. diversifying selection d. positive frequency-dependent selection
- How do these work? i. Artificial selection ii. Natural Selection iii. Gene flow iv. Non-random matingAlleles that increase resistance to disease are expected to increase in frequency in the population as a result of? a. positive selection b. negative selection c. balancing selection d. artificial selectionWhich claim about natural selection is not true? A. Directional selection decreases genetic diversity within a population B. Balancing selection (heterozygote advantage) maintains genetic diversity within a population C. Negative Frequency-Dependent selection maintains genetic diversity within a population D. Natural Selection always has a greater evolutionary effect in small populations than it does in large populations
- Which BEST describes how survival of the fittest relates to natural selection? A) Organisms with favorable traits will be naturally selected to pass their traits on to the next generation. B) Organisms with the lowest gene mutations will be naturally selected to pass their traits on to the next generation. C) Organisms with the most recessive genes will be naturally selected to pass their traits on to the next generation. D) Organisms living in a stable environment will be naturally selected to pass their traits on to the next generation.Describe the theory of evolution by natural selection. Use the word: adaptation and fitness NO COPYING FROM GOOGLEHow does genetic flow affect the recipient population? A:Increases genetic variability B:Exacerbates the effect of natural selection C:Exacerbates the effect of genetic drift D:Increases random mating
- Which BEST describes how survival of the fittest relates to natural selection?Elaborate the theory of evolution by natural selection by Charles Robert Darwin “Survival of the Fittest”. And Cite an example.Forces are always acting on the genes of a population, causing natural selection to occur. Describe the forces that affect the genes in a population. Use details to support your answer.