19. How can variation between organisms be maintained or created? 20. Explain how migration can lead...
19. How can variation between organisms be maintained or created?
20. Explain how migration can lead to evolution or prevent it from happening.
Homework Answers
19. Maintained gene flow between two populations can also lead to a combination of the two gene pools, reducing the genetic differentiation between the two groups. It is for this reason that gene flow strongly acts against speciation, by recombining the gene pools of the groups, and thus, repairing the developing differences in genetic variation that would have led to full speciation and creation of daughter species.
20. Migration is one of the mechanisms of evolution. When individuals move from one population into another, it allows and enhances gene flow between those populations that probably have different gene pools, with different alleles or allele proportions. prevented by self fertilisation.
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19. How can variation between organisms be maintained or
created?
20. Explain how migration can lead...
A) Explain how geography, mass extinctions and adaptive radiation help explain the diversity of living organisms....
A) Explain how geography, mass extinctions and adaptive radiation help explain the diversity of living organisms. B) Explain how changes in development can explain the evolution of new live forms. .Using the information you presented about geography, mass extinction, adaptive radiation and embryonic development, from the previous two questions, explain how living organisms evolve.
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explain how conflicts of interest between bondholders and stockholders can lead to costs of financial distress.
Natural selection can move a population beyond its initial range of variation because a. sudden increases...
Natural selection can move a population beyond its initial range of variation because a. sudden increases in mutation rates are often induced by selection. b. under genetic drift there is less variation and under selection there is more. c. selection can expose hidden variation. d. selection usually increases the randomness of mating, thus increasing variation. Which of the following is true of continuously varying characters? a. They allow for blending of the effects of two genes, the blended version passed...
1. How can international migration increase human capital levels in sending countries? Explain the various channels.
1. How can international migration increase human capital levels in sending countries? Explain the various channels.
2. Explain why electroosmotic flow predominates capillary electrophoresis and how it can affect the migration (elution)...
2. Explain why electroosmotic flow predominates capillary electrophoresis and how it can affect the migration (elution) of positive, negative, and neutral species within a sample.
19. Copy number variants (CNVs) comprise the most common form of structural variation in the genome,...
19. Copy number variants (CNVs) comprise the most common form of structural variation in the genome, and can be inherited or de novo. CNVs in specific regions of the genome are associated with increased risk of autism spectrum disorders (ASDs). Recent studies have been conditioned on specific individual genes and CNVs, such that the spectrum of biological and clinical findings associated with those genomic events can be better. One of the more extensively studied ASD-associated CNVs, is a duplication or...
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A) Explain how geography, mass extinctions and adaptive radiation help explain the diversity of living organisms. B) Explain how changes in development can explain the evolution of new live forms. .Using the information you presented about geography, mass extinction, adaptive radiation and embryonic development, from the previous two questions, explain how living organisms evolve.
1. How can international migration increase human capital levels in sending countries? Explain the various channels.
2. Explain why electroosmotic flow predominates capillary electrophoresis and how it can affect the migration (elution) of positive, negative, and neutral species within a sample.
19. Copy number variants (CNVs) comprise the most common form of structural variation in the genome, and can be inherited or de novo. CNVs in specific regions of the genome are associated with increased risk of autism spectrum disorders (ASDs). Recent studies have been conditioned on specific individual genes and CNVs, such that the spectrum of biological and clinical findings associated with those genomic events can be better. One of the more extensively studied ASD-associated CNVs, is a duplication or...
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