Campbell Biology Custom Stony Brook 10 Th Edition
10th Edition
ISBN: 9781269870818
Author: Reece Urry Cain Wasserman Minorsky Jackson
Publisher: PEARSON
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Chapter 21.5, Problem 4CC
WHAT IF? Ø In 2005, Icelandic scientists reported finding a large chromosomal inversion present in 20% of north- ern Europeans, and they noted that Icelandic women with this inversion had significantly more children than women without it. What would you expect to happen to the frequency of this inversion in the Icelandic population in future generations?
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Chapter 21 Solutions
Campbell Biology Custom Stony Brook 10 Th Edition
Ch. 21.1 - Describe the whole-genome shotgun approach.Ch. 21.2 - Prob. 1CCCh. 21.2 - Explain the advantage of the systems biology...Ch. 21.2 - MAKE CONNECTIONS The ENCODE pilot project found...Ch. 21.2 - MAKE CONNECTIONS In Concept 20.2, you learned...Ch. 21.3 - The best estimate is that the human genome...Ch. 21.3 - Prob. 2CCCh. 21.3 - WHAT IF? What evolutionary processes might...Ch. 21.4 - Discuss the characteristics of mammalian genomes...Ch. 21.4 - VISUAL SKILLS Which of the three mechanisms...
Ch. 21.4 - Contrast the organizations of the rRNA gene family...Ch. 21.4 - MAKE CONNECTIONS Assign each DNA segment at the...Ch. 21.5 - Describe three examples of errors in cellular...Ch. 21.5 - Explain how multiple exons might have arisen in...Ch. 21.5 - What are three ways that transposable elements are...Ch. 21.5 - WHAT IF? In 2005, Icelandic scientists reported...Ch. 21.6 - Prob. 1CCCh. 21.6 - Prob. 2CCCh. 21.6 - Prob. 3CCCh. 21 - How did the Human Genome Project result in more...Ch. 21 - What has been the most significant finding of the...Ch. 21 - Compare genome size, gene number, and gene density...Ch. 21 - Explain how the function of transposable elements...Ch. 21 - How could chromosomal rearrangements lead to the...Ch. 21 - What type of Information can be obtained by...Ch. 21 - Bioinformatics intludes all of the following...Ch. 21 - Homeotic genes (A) encode transcription factors...Ch. 21 - Prob. 3TYUCh. 21 - DRAW IT Below are the amino acid sequences(using...Ch. 21 - EVOLUTION CONNECTION Genes important in the...Ch. 21 - scientific inquiry The scientists mapping the SNPs...Ch. 21 - Prob. 7TYUCh. 21 - SYNTHESIZE YOUR KNOWLEDGE Insects have three...
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- Please explain all steps and detials.arrow_forwardBelow you will find a spreadsheet of the "class" data, use this to complete data table 2. Remember, the class is a total of 24 students, to calculate frequency use the genotype with the highest frequency for each characteristic and divide that number by 24. Don't forget to answer the question on the bottom of page 107! Gender Letters XY XX Sex X, Y 11 13 XX Homozygous Heterozygous Homozygous Recessive Genotype highest frequency Characteristic Dominant Aa Eyebrows Eye Shape Hitchhikers А, а R, r 14 10 11 3 Rr Hh Н, h D, d Е, е F,f G, g В, Ь 15 Earlobes 4 8. 12 dd Ee Tongue Roll Widows Peak 7 10 13 Ff Face Shape 9. 12 3 Gg Eye Color 14 Bb MacBook Air esc 4) FI F2 F4 F5 F6 F8 F9 F10 F1I F12 @ # $ &arrow_forwardAccording to the data from fruitflies, this gene Survivorship (%) Females, reared at 29°C: Homozygous methuselah mutants →Homozgyous normal flies 100 80- 60- 401 20- 0- 10 20 30 40 50 Age (days) Figure 13-14 Evolutionary Analysis, 4/e ©2007 Pearson Prentice Hall, Inc. 60 Cumulative fertility (Adult progeny per female) 80- 70- 60- 50- 40- 30- 20- 10- 0- 0 10 20 30 40 50 Age (days) lengthens lifespan but also reduces fertility shortens lifespan but also increases fertility reduces both lifespan and fertility cannot be determined from the data provided lengthens both lifespan and fertilityarrow_forward
- One of the findings from Strickland et al. 2019, was that certain color morphs among Chelymorpha alternans beetles are more common at some field sites than they are at other sites. Strickland and colleagues used cross breeding experiments to investigate these patterns and found evidence that color variation was mainly due to Mendelian inheritance. In other species, geographic variation in coloration might not be due to Mendelian genetics. (a) What is another possible explanation for geographic variation in coloration? (b) What sort of experiment could you use to test this alternative explanation?arrow_forwardWhy is genetic drift more significant in small populations? Why does it take longer for genetic drift to cause allele fixation in large populations than in small ones?arrow_forward1.) What happens to the genotypic frequencies from generation 1 to generation 5? 2.) What process is occurring when there is a change in genotypic frequencies over a long period of time? 3.) What would happen if it were more advantageous to be heterozygous (Ff)? Would there still be homozygous fish? Explain. 4.) What happens to the recessive genes over successive generations? Explain. 5.) Why doesn't the recessive gene disappear from the population?arrow_forward
- Assume an ideal diploid population of size 2N=32 (Just like the Buri Drosophila drift experiment with 16 individuals, or 32 gene copies, every generation). a) What is the probability that a neutral allele present in exactly 16 copies will CHANGE BY FEWER than 2 copies in the next generation? Be sure you understand that this includes cases where the number of copies remains unchanged, as well as the cases (plural!) where the magnitude of change between generations is one. b) What is the ultimate probability of fixation for this allele by drift? c) In the same population, what is the probability that a neutral allele present in exactly 2 copies will change by fewer than 2 copies (same meaning as above) in the next generation? d) What is the ultimate probability of fixation for this allele by drift?arrow_forwardThe Genetics &IVF Institute developed its XSORT method to increase the probability of conceiving a girl. Among 574 women using that method, 525 had baby girls. Assuming that the method has no effect so that boys and girls are equally likely, find the probability of getting at least 525 girls among 574 babies. Does the result suggest that the XSORT method is effective ? Why? Or why not?arrow_forwardThe average thorax length in a Drosophila population is 1.01 mm.You want to practice selective breeding to make larger Drosophila. Todo so, you choose 10 parents (5 males and 5 females) of the followingsizes: 0.97, 0.99, 1.05, 1.06, 1.03, 1.21, 1.22, 1.17, 1.19, 1.20. Youmate them and then determine the thorax lengths of 30 offspring (halfmale and half female): 0.99, 1.15, 1.20, 1.33, 1.07, 1.11, 1.21, 0.94,1.07, 1.11, 1.20, 1.01, 1.02, 1.05, 1.21, 1.22, 1.03, 0.99, 1.20, 1.10,0.91, 0.94, 1.13, 1.14, 1.20, 0.89, 1.10, 1.04, 1.01, 1.26. Calculate therealized heritability of thorax length in this group of flies.arrow_forward
- Please answer fast Consider a laboratory population that consists entirely of individuals with the same“repulsion” double heterozygous (diploid) genotype, Ab/aB. Assume the rate ofrecombination between the “A” and “B” loci is c = 1/ 4 .a) What are r, s, t and u in this population? What is D?b) What are r, s, t and u after 1 generation of random breeding? What is D?c) What are r, s, t and u after 5 generations of random breeding? What is D?arrow_forwardDo 24 and 25arrow_forward.. Nowadays, newborn babies are required to be tested for phynylketonuria (PKU), an autosomal recessive genetic disorder. If untreated, individual homozygous for PKU suffer mental retardation. In a recent year, 4 PKU babies were detected out of 126,000 tested. Assuming Hardy-Weinberg conditions, what is the frequency of the PKU gene in this population (Give your answer in decimal number with 3 decimal places)?arrow_forward
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