CAMPBELL BIOLOGY MOD MASTERING (18 WEEK)
12th Edition
ISBN: 9780136920335
Author: Urry
Publisher: PEARSON
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Textbook Question
Chapter 23.1, Problem 2CC
Ot all the mutations that occur in a population, why do only a small fraction become widespread?
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Which type of mutation doesnt affect the ability of an organism to pass on its alleles to the next generation?
a) beneficial mutation
b) positve mutation
c) deleterious mutation
d) neutral mutation
I have also attached a question down below. Please let me know if there is are any mistakes as I have a test tomorrow
With regard to mutations, what is meant by the terms“harmful,” “beneficial,” and “neutral”? Why it issometimes an oversimplification to consider a mutation aseither harmful, beneficial, or neutral?
As discussed, the overall rate of mutations in humans is estimated to be about 1 × 10−8 mutations per base pair per generation. How many new mutations would you expect each person to carry, on average, based on this mutation rate? Other studies have estimated that each person carries about 100 new loss-of-function mutations. How does this number compare with your estimate of the number of mutations based on the mutation rate? What might account for any differences?
Chapter 23 Solutions
CAMPBELL BIOLOGY MOD MASTERING (18 WEEK)
Ch. 23.1 - Explain why genetic Variation within a population...Ch. 23.1 - Ot all the mutations that occur in a population,...Ch. 23.1 - Prob. 3CCCh. 23.2 - A population has 700 individuals, 85 of genotype...Ch. 23.2 - Prob. 2CCCh. 23.2 - WHAT IF? A locus that affects susceptibility to a...Ch. 23.3 - In what sense is natural selection more...Ch. 23.3 - Distinguish genetic draft from gene flow in terms...Ch. 23.3 - WH AT IF? Suppose two plant populations exchange...Ch. 23.4 - What is the relative fitness of a sterile mule?...
Ch. 23.4 - Explain why natural selection is the only...Ch. 23.4 - Prob. 3CCCh. 23 - Typically. most of the nucleotide variabillity...Ch. 23 - Is it circular reasoning to calculate p ond q from...Ch. 23 - Would two small, geographically isolated...Ch. 23 - How might secondary sex characteristics in males...Ch. 23 - Natural selection changes allele frequencies...Ch. 23 - Prob. 2TYUCh. 23 - Prob. 3TYUCh. 23 - There are 25 individuals in population 1, all with...Ch. 23 - Prob. 5TYUCh. 23 - EVOLUTION CONNECTION Using at least two examples,...Ch. 23 - SCIENTIFIC INQUIRY INTERPRET THE DATA Researchers...Ch. 23 - Prob. 8TYUCh. 23 - SYNTHESI2E YOUR KNOWLEDGE This kettle lake forracd...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Consider the following estimates:(a) There are 7 x 109 humans living on this planet.(b) Each individual has about 20,000 (0.2 * 105) genes.(c) The average mutation rate at each locus is 10-5.How many spontaneous mutations are currently present inthe human population? Assuming that these mutations areequally distributed among all genes, how many new mutationshave arisen in each gene in the human population?arrow_forwardWhy is a random mutation more likely to be deleterious than beneficial?arrow_forwardWhat are the factors that influence the mutation rates of human genes?arrow_forward
- One unexpected result of the sequencing of the human genome was the finding that mutations in a single gene can be responsible for multiple distinct disorders. How do you think mutations in a single gene can have such diverse effects?arrow_forwardIn most cases, the rate of synonymous substitution for a gene is higherthan the rate of nonsynonymous substitution. Sometimes, however, therate of nonsynonymous substitution is higher. When would you expectto see this? What might bring it about?arrow_forwardWhat the world looks like due to mutation?illustratearrow_forward
- If the rate of mutation is 10–5 per gene, how many new mutations per gene would you expect in a population of 1 million bacteria?arrow_forwardIf the rate of mutation is 10–5 per gene per cell generation, how many new mutations per gene would you expect in a population of 1 million bacteria?arrow_forwardWhat factors influence he mutation rate of human gene and how?arrow_forward
- Certain mutations are called dominant-negative mutations. What do you think this means and how do you suppose these mutations act?arrow_forwardCan you explain silent, beneficial, harmful, and lethal mutations?arrow_forwardYou have sequenced a few individuals in the population and found out that there are only two alleles in the population: one is GGGTCC and the other GGGTAC. You also knew that the DNA sequence encodes two amino acid residues. The mutation responsible for the difference is an insertion mutation a transition mutation nonsynonymous mutation a neutral mutation a silent mutationarrow_forward
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