Chat with AIExam 15: Processes of Evolution
Exam 1: Introduction81 Questions
Exam 2: The Chemistry and Energy of Life87 Questions
Exam 3: Nucleic Acids, Proteins, and Enzymes118 Questions
Exam 4: Cells: the Working Units of Life115 Questions
Exam 5: Cell Membranes and Signaling95 Questions
Exam 6: Pathways That Harvest and Store Chemical Energy130 Questions
Exam 7: The Cell Cycle and Cell Division119 Questions
Exam 8: Inheritance, Genes, and Chromosomes80 Questions
Exam 9: DNA and Its Role in Heredity94 Questions
Exam 10: From Dna to Protein: Gene Expression80 Questions
Exam 11: Regulation of Gene Expression94 Questions
Exam 12: Genomes78 Questions
Exam 13: Biotechnology83 Questions
Exam 14: Genes, Development, and Evolution94 Questions
Exam 15: Processes of Evolution83 Questions
Exam 16: Reconstructing and Using Phylogenies76 Questions
Exam 17: Speciation80 Questions
Exam 18: The History of Life on Earth82 Questions
Exam 19: Bacteria, Archaea, and Viruses100 Questions
Exam 20: The Origin and Diversification of Eukaryotes96 Questions
Exam 21: The Evolution of Plants130 Questions
Exam 22: The Evolution and Diversity of Fungi103 Questions
Exam 23: Animal Origins and Diversity136 Questions
Exam 24: The Plant Body90 Questions
Exam 25: Plant Nutrition and Transport129 Questions
Exam 26: Plant Growth and Development85 Questions
Exam 27: Reproduction of Flowering Plants85 Questions
Exam 28: Plants in the Environment85 Questions
Exam 29: Fundamentals of Animal Function86 Questions
Exam 30: Nutrition and Digestion81 Questions
Exam 31: Breathing83 Questions
Exam 32: Circulation80 Questions
Exam 33: Muscle and Movement75 Questions
Exam 34: Neurons, Sense Organs, and Nervous Systems171 Questions
Exam 35: Nervous and Endocrine Control94 Questions
Exam 36: Water and Salts: Excretion85 Questions
Exam 37: Animal Reproduction84 Questions
Exam 38: Animal Development104 Questions
Exam 39: Immunology: Animal Defense Systems91 Questions
Exam 40: Animal Behavior83 Questions
Exam 41: The Distribution of Earths Ecological Systems82 Questions
Exam 42: Populations78 Questions
Exam 43: Ecological and Evolutionary Consequences of Interactions Within and Among Species114 Questions
Exam 44: Ecological Communities121 Questions
Exam 45: The Global Ecosystem127 Questions
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If a population with two alleles is at Hardy-Weinberg equilibrium and the frequency of one allele is 0.7,what is the heterozygote frequency?
(Multiple Choice)
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(31) Use the following to answer questions :
A gene family has been accumulating nucleotide substitutions at a rate of 0.25 substitutions per million years.On average,there have been 80 substitutions between the common ancestor of this gene family and each of the various living forms of this gene.
-Based on these figures,this gene family likely originated _______ million years ago.
(Multiple Choice)
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(41) Following a flood,migration from neighboring populations alters genotypic frequencies of a population of river-bottom midges.Assuming that the conditions for Hardy-Weinberg subsequently are met,how many generations of random mating are required to restore the genotypic frequencies to Hardy-Weinberg equilibrium?
(Multiple Choice)
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