an actin gene in humans is 92 identical to the homologous actin gene in mice. An actin gene in human is 80% identical to the homologous gene in yeast. what does this say about how long ago those organism has a common ancestor

an actin gene in humans is 92 identical to the homologous actin gene in mice. An actin gene in human is 80% identical to the homologous gene in yeast. what does this say about how long ago those organism has a common ancestor

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Description: an actin gene in humans is 92 identical to the homologous actin gene in mice. An actin gene in human is 80% identical to the homologous gene in yeast. what does this say about how long ago those organism has a common ancestor?

Human Heredity: Principles and Issues (MindTap Course List)

11th Edition

ISBN:9781305251052

Author:Michael Cummings

Publisher:Michael Cummings

Chapter16: Reproductive Technology, Genetic Testing, And Gene Therapy

Section: Chapter Questions

Problem 14QP: Is gene transfer a form of eugenics? Is it advantageous to use gene transfer to eliminate some...

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Is gene transfer a form of eugenics? Is it advantageous to use gene transfer to eliminate some genetic disorders? Can this and other technology be used to influence the evolution of our species? Should there be guidelines for the use of genetic technology to control its application to human evolution? Who should create and enforce these guidelines?
The green sea slug carries the genes for synthesizing chlorophyll (apparently acquired from the chloroplasts of green algae), illustrating which type of genetic change leading to evolution? horizontal gene transfer gene deletion gene duplication mutation exon shuffling
Explain why the answer is correct. For one celled eukaryote organisms to evolve into new and more complicated types of multicellular eukaryotic organisms, which of the following would one expect to occur? -Cells must be accumulating new genetic mutations and more DNA.
Considering the evolution of species, could a gene that is conserved from yeast to humans have evolved to confer some of the complex traits that we observe in modern animals, like multicellularity? Briefly explain.
Which of the following examples from class show that a mutation can have evolutionary benefits? Group of answer choices C) Hox mutations that lead to legs developing on fruit flies where antennae should be A and B A, B, and C B) Hox mutations leading to limbs with digits forming from lobe fins A) Stickleback fish mutation
Explain why the answer is correct. For eukaryote cells to evolve into new types of eukaryotic organisms, which of the following would one expect to occur? The correct answer is E a) these cells have evolved because they have different DNA because of mutations b) Their endoplasmic reticulum is synthesizing new and/or different proteins. c) These specialized cells activate new genes to synthesize new proteins. d) these organisms have new characteristics because they have acquired new genes. e) all of these are true
You are studying the evolution of species. After performing DNA analysis, he discovers a gene that is conserved from yeast to humans. In which cellular processes is this gene most like to be involved? Could this gene have evolved to confer some of the complex traits that we observe in modern animals, like multicellularity? Briefly explain.
Why is mutations almost always neutral or harmful? If this is true, why are mutations nevertheless essential to evolution
If a species is immutable (mutations do not occur) is evolution possible? Explain
Which statement about genome evolution is false? Mutations at the ends of introns are less likely than in the middle of an intron. Synonymous mutations rates are much higher than nonsynonymous mutation rates. Psuedogenes show high rates of mutations. Comparison of the mutational change in a specific gene can be used as a molecular clock to date evolutionary events between species. Evolution in a gene sequence will occur the fastest in regions that have the greatest effect on function.
Would the rate of deleterious or beneficial mutations be a good molecular clock? Why or why not?
Asian tiger mosquito Trace its origin and evolutionary history or changes in the species. Describe its structures and their functions. What is the importance of this species to our environment? Give trivia about this species. Does this organism produce oxygen? Explain. What are the ancestral species of your chosen organism? Has this species been genetically engineered? If yes, in what way? How does this species reproduce? What organisms have similar structures to this species? Do these structures have the same function? Does the species have tissues, organs, and/or organ systems? What is its role in the flow of energy? Give at 15 least a sentence to each question.