The results of new studies in population genetics that confirm a higher degree of genetic variation in African populations as compared to any other geographic group supports… Group of answer choices limited variation in phenotypic traits between geographic populations in Africa extensive gene flow between populations of Africa our African origins multiregional origins exposure to UV radiation causing rapid DNA mutation

The culturally constructed concept of “race” holds little value in scientific biological contexts because... Group of answer choices cultural explanations of human variation do not withstand the scientific method there is more genetic variation within groups than between them of the dichotomy between biological and cultural perspectives of race there is no such thing as race race has been continuously used to oppress categorized groups

According to the Hardy-Weinberg Equilibrium (p2 + 2pq + q2 = 1, within 5% variation of 1) which of the genes in the following three populations is actively undergoing evolution?   population 1: AA = 80%; Aa = 10%; aa = 10% population 2: AA = 55%; Aa = 35%; aa = 10% population 3: AA = 25%; Aa = 50%; aa = 25%   the gene in populations 1 and 3 are undergoing evolution the gene in populations 1, 2, and 3 are undergoing evolution the gene only in population 1 is undergoing evolution the gene in none of the populations are undergoing evolution

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One of the dangers faced by a bottlenecked population is: Loss of genetic diversity and increased inbreeding Random changes in allele frequencies Gene flow Too much genetic diversity

Answer the following multiple-choice questions: 1) Which of the following DOES NOT alter a population’s genetic composition?  random mating  natural selection  Inbreeding  Gene flow from migration  Genetic drift  2) If a new species of frog were discovered, which of the following characteristics would be BEST for determining its systematic relationship with other amphibians.   The DNA sequence of its mitochondrial genes  The diploid number of its chromosomes The number of eggs produced by the females  The adult body size of the males  The type of habitat in which it lives.    3) Which pair of anatomical structures is alike because of shared ancestry?  flipper of a dolphin v. the pectoral fin of a shark  wing of a bird v. wing of a butterfly flipper of a dolphin v. the wing of a bat  shell of an oyster v. shell of a turtle  tusks of an elephant v. horns of a bull.    4) Which of the following does NOT increase the amount of genetic variability?  fertilization during sexual…

Below is a histogram showing the results from a previous class’s dataset. Some trials resulted (ended) with the white allele fixing (reaching 100%), some resulted with the white allele going extinct (0%), and some fell somewhere in between. What phenomenon most likely drove this pattern? Answer choices are : random mating, genetic drift, mutation, natural selection, or gener flow

What conclusions can you make regarding the changes to the ground squirrel population between 2000 and 2020? Is this population of ground squirrels undergoing evolution according to our definition? What is the clearest evidence that supports your answer? Your response should reference your statistical analyses and calculated chi-square values, and should be limited to 5 sentences. Paragraph Lato (Recom... B I U A/ 19px... v 7 EQ 8⁰ ос X 11.

. It seems clear that inbreeding causes a reduction in fitness. Can you explain why?

What is the role of variation in evolution If heterozygosity is reduced what happens to the potential for evolution? The phenotype and genotype of a population is due to a mosaic of random and directed processes some of these have to do with history.some are related to adaptation etc. As completely as possible,discuss the role of chance and direction in evolution and in determining the phenotype of a population