Evolutionary Analysis notes

Successful artificial selection, such as that practiced by plant and animal breeders to modify their crops and livestock, depends on which of the following? Answer All of these are necessary for artificial selection to take place. Darwin's postulates must be true for selection to occur, whether it is artificial selection or natural selection. Thus, for artificial selection to occur, the population must have variation in the desired trait, the variation must be heritable, and breeders must b...

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Homologous genes Answer Genes that share a recent common ancestor based upon phylogenetic analysis Orthologous genes Answer homologous genes that are found in different species that are due to speciation events Paralogous Genes Answer homologous genes that are due to a duplication event in a particular species Brachydactyly Answer Shortness of the digits caused by autosomal dominant allele (BB, Bb) - Short Digits Godfrey Hardy Answer Discovers why Brachydactyly is not more prevalent...

Describe in your own words the difference between an experimental study, an observational study, and a comparative study. What sorts of questions are they each suited for (i.e., why don't researchers always use the experimental method)? Give an example of each type of study from this chapter. Answer An experimental study is one in which the researchers directly manipulate a variable of interest, typically changing it in one group of individuals and leaving it unchanged in a control group. The e...

Hardy-Weinberg equilibrium principle states Answer allele frequencies in a population will not change from generation to generation; if allele frequencies are p and q, genotype frequencies will be p^2, 2pq, q^2 mechanisms of evolution Answer drift, selection, migration, mutation population genetics Answer integrates natural selection with Mendelian genetics evolution is ______ in a population Answer change in allele frequency species are not immutable Answer microevolution lineage...

Sections 2.1 - 2.5 summarize evidence for Evolution. Some evidence had been available to Darwin and his contemporaries, but the majority of the evidence came later, in the 20th century. For example, Darwin was aware of the following: Answer Vestigial structures Geological evidence for mass extinctions Succession in the fossil record Structural and developmental homologies The evidence from biogeography, based on occurrence of closely related species in groups of islands (such as the Galapago...

The pope said " (HIV) cannot be overcome by the distribution of condoms. On the contrary, they increase it" Is the popes first statement correct? How about his second statement? How do we know? Answer The Pope's first statement is that Africa's problem with HIV/AIDS "cannot be overcome by the distribution of condoms." The statement is true in that no single strategy will prevent the transmittal of HIV/AIDS. For instance, condoms provide some protection from sexually transmission of HIV/...

Test Bank For Evolutionary Analysis 5th Edition by Jon C. Herron; Scott Freeman 6678, 7, 8378, 5 1 A Case for Evolutionary Thinking: Understanding HIV 2 The Pattern of Evolution 3 Evolution by Natural Selection 4 Estimating Evolutionary Trees 5 Variation Among Individuals 6 Mendelian Genetics in Populations I: Selection and Mutation 7 Mendelian Genetics in Populations II: Migration, Drift, & Nonrandom Mating 8 Evolution at Multiple Loci: Linkage and Sex 9 Evolution at ...

When genotypes at one locus of a chromosome are independent of genotypes at another locus of the same chromosome, the two loci are ________. Answer in linkage equilibrium When genotypes at one locus of a chromosome are nonrandomly associated with the genotypes at another locus of the same chromosome, the two loci are ________. Answer in linkage disequilibrium Which of the following can produce linkage disequilibrium? Answer -genetic drift -selection on genotypes of more than one locus -m...