The breeder's equation, R= h²s, helps us think about ways we can limit the evolution of antibiotic resistance, pesticide resistance, or cancer adaptations. Match the term to the relevant description. Draw lines matching the strategies а. R b. Avoid increasing h? c. Decreasing h? d. Increasing S 1. Reducing population size to cause a genetic bottleneck 2. Completing only a partial course of antibiotics 3. The speed of evolutionary change in a population's trait 4. Killing mosquitoes after they laid most of their eggs but before they can transmit malaria 6. Use drugs that do not cause increased mutation rates. e. Reducing S

The breeder's equation, R= h²s, helps us think about ways we can limit the evolution of antibiotic resistance, pesticide resistance, or cancer adaptations. Match the term to the relevant description. Draw lines matching the strategies а. R b. Avoid increasing h? c. Decreasing h? d. Increasing S 1. Reducing population size to cause a genetic bottleneck 2. Completing only a partial course of antibiotics 3. The speed of evolutionary change in a population's trait 4. Killing mosquitoes after they laid most of their eggs but before they can transmit malaria 6. Use drugs that do not cause increased mutation rates. e. Reducing S

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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Luria & Delbruck's fluctuation test demonstrated that _________________. a.mutations are spontaneous & pre-existing at low frequency within populations b.transition mutations occur early in the growth of a population c.mutations induced as adaptations in response to the environment d.transversion mutations occur late in the growth of a population e.resistance to phage T1 a physiological state induced by the presence of the phage
The Tibetans and Han Chinese share several genetic traits and DNA. However the EPAS1 gene which increases the ability of red blood cells carry oxygen even in low environments, is only commonly found in the Tibetan population that live in higher elevations. Explain why this gene is commonly in Tibetan populations from the perspective of competitive advantage and natural selection. Write your answer in 3-5 sentences
You are designing an experiment to test the survival rate of zebrafish in water at varying pH. You prepared 3 fish tanks: the first tank with neutral pH water, the second tank with higher pH water, and the third tank with lower pH water. In each tank, you place 3 young zebrafish of the same strain. Provide 3 ways to improve this experiment to make it more reliable. Be sure to include relevant terminology.
A handful of genetically identical tomato plants are grown in a garden. The mean height in this plant population is 84 cm, and the standard deviation is 2 cm. The variation in height within this population is most likely due to: the microenvironment of each plant O the use of a non-representative sample to compute the mean O random mutations within the population. O the difference between these plants and other tomato plants
The best argument for how an unprotected species can evolve to mimic a second protected species (distasteful or noxious) and thus obtain protection is by A. Random changes in the appearance of the unprotected species that lead to increased fitness due to greater similarity with the protected species B. Individuals deciding that they need protection and mutating to look like the protected species C. Individuals changing their diet to increase pigment production to look like the protected species D. Natural selection for more advanced traits that are better to the inferior traits of organisms that do not look like the protected species E. Behavioral modification of the unprotected species to act like the protected species
1. The image shows a model of a reproductive strategy of an 2. The bird in the picture feeds on mice. A major forest fire resulted in a layer of ash that darkened the soil on which the mice lived. The illustration shows the distribution of mice over time. organism. What type of reproduetive strategy is shown in the model Make a claim about why the color distribution in the mouse population changed over time. Provide evidence to support and what is an evolutionary disadvantage of it? your claim. 1 2 3 Number of Weeks after the Forest Fire
Imagine you were to collect data from simulation 2 (negative selective pressure on SS genotypes) over five generations. The frequency of the S allele over time is graphed below. The graph shows a rapid decrease in the sickle cell allele frequency in the first generation but a slower decrease in later generations. By the fifth generation, the allele is not completely eliminated from the population. Provide two plausible explanations for why the S allele persists after five generations.
Please help with the following: Prior to approximately 12 KYA, humans were hunter-gatherers and relied on wild plants and animals for subsistence. This means that their conscious manipulation of the genomes and gene pools of other organisms was essentially non-existent. 12KYA signaled the beginning of plant and animal domestication efforts. A. Two true statements; one false statement B. Two false statements; one true statement C. All True statements D. All False statements E. None of the above
Name crickets remain unnoticed by the parasitoid flies. To test this idea, Robin dissected the otS males to look for fly larvae. She compared A infection levels for 67 normal males- collected before the flatwing mutation appeared in the population-to 122 flatwing males that she collected after the flatwing mutation appeared. She expected fewer males to be infected by the parasitoid fly after the appearance of the flatwing mutation in the cricket population. Scientific Questions: Why do most male crickets on Kauai have flat wings? Could parasitoid flies have contributed to the loss of song for male crickets? Figure 2: A parasitoid fly, Ormia ochracea, sitting on top of its cricket host, Teleogryllus oceanicus. What is the hypothesis? Find the hypothesis in the text and underline it. A hypothesis is a proposed explanation for an observation, which can then be tested with experimentation or other types of studies. Scientific Data: Use the data below to answer the scientific questions:…
Which of the following is NOT an appropriate use of DNA Sequencing data. a. Comparing the genomes of endangered animals to protect them. b. Comparing the genomes of dog breeds to understand their evolution. c. Comparing the genomes of healthy and sick populations to understand genomic basis of disease. d. Comparing an individual's genome to other individuals in a population to determine their health risk or to eliminate them as suspects in a crime. e. Comparing populations based on socially constructed groupings to assert a hierarchy among those groups.
The mutation rate is a. the likelihood that a new mutation will occur in a given gene. b. too low to substantially change allele frequencies in a population. c. lower for mutations that create beneficial alleles. d. All of the above are true of the mutation rate.
Are gene mutations caused by selective pressures in the environment? In other words, do gene mutations arise in an organism out of need or want? Group of answer choices A. No, because gene mutations are not purely random. B. Yes, because gene mutations are not purely random. C. No, because gene mutations are purely random. D. Yes, because gene mutations are purely random.