Study Guide for Campbell Biology
11th Edition
ISBN: 9780134443775
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece, Martha R. Taylor, Michael A. Pollock
Publisher: PEARSON
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Chapter 15, Problem 2GP
Summary Introduction
To determine: The order of genes on the chromosome with the given recombination frequencies.
Introduction: Recombination is the process of exchanging the genetic material between two different chromosomes or between the different regions within the same chromosomes. Genetic recombination occurs naturally in meiosis, which involves the crossing over.
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Construct a map of the chromosome from the following recombination frequencies between individual pairs of genes: c – f 8%, v – f 12%, s – v 16%, v – c 4%, s – f 6%
The following recombinant frequencies were found between genes A, B, C, D,
and E. Determine the order of these genes on the chromosome and draw a
linkage map of this chromosome with the map units labeled.
А, С: 10%
А, D: 30%
А, Е: 6%
В, С: 4%
В, D: 16%
В, Е: 20%
C, D: 20%
Create a chromosome map for each set of three genes from the given information.
b) the crossover frequency between gene X and gene Z is 8.5 %, the crossover frequency between gene Y and gene Z is 2.25 % and between gene Y and gene X is 6.25 %
Chapter 15 Solutions
Study Guide for Campbell Biology
Ch. 15 - Complete the following summary of Morgans crosses...Ch. 15 - Two normal color-sighted individuals have two...Ch. 15 - In a testcross between a heterozygote tall,...Ch. 15 - With unlinked genes, an equal number of parental...Ch. 15 - The following recombination frequencies have been...Ch. 15 - a. What is the difference between an organism with...Ch. 15 - Prob. 7IQCh. 15 - Prob. 8IQCh. 15 - Mendels law of independent assortment applies to...Ch. 15 - You have found a new mutant phenotype in fruit...
Ch. 15 - Prob. 3SYKCh. 15 - Prob. 4SYKCh. 15 - Thomas Hunt Morgan firmly established the location...Ch. 15 - Prob. 2TYKCh. 15 - Sex-linked traits a. are coded for by genes...Ch. 15 - Prob. 4TYKCh. 15 - Prob. 5TYKCh. 15 - Prob. 6TYKCh. 15 - Prob. 7TYKCh. 15 - Prob. 8TYKCh. 15 - Prob. 9TYKCh. 15 - Prob. 10TYKCh. 15 - Consider three genes on the X chromosome: A, B,...Ch. 15 - Prob. 12TYKCh. 15 - Genomic imprinting a. explains cases in which the...Ch. 15 - Prob. 14TYKCh. 15 - Prob. 15TYKCh. 15 - Suppose that alleles for an X-linked character for...Ch. 15 - Some girls who fail to undergo puberty are found...Ch. 15 - Prob. 18TYKCh. 15 - The genetic event that results in Turner syndrome...Ch. 15 - Prob. 20TYKCh. 15 - Prob. 1GPCh. 15 - Prob. 2GPCh. 15 - Prob. 3GPCh. 15 - Prob. 4GPCh. 15 - Prob. 5GPCh. 15 - Red-green color blindness is caused by a...
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- L, R, P and D are four genes located on the same chromosome in a diploid organism. Map distances between different pairs of genes were determined and the following results obtained. Based on these data, what is the order of the genes on the chromosome? D-R: 35 CM P-D: 5 CM L-R: 10 CM D-P: 30 CM D-L 25 CM P-R: 40 CM Note that only one orientation of the order is given as an answer choice. For example: ABCD has the same order as DCBA, but only ABCD would be listed as a possible answer. So be sure to check both orientations when comparing your gene order to the possible answer choices. D-L-P-R P-D-L-R P-R-D-L L-P-R-D R-L-D-Parrow_forwardA geneticist determines that the order of four genes on a specific chromosome is CABD because the recombination frequencies were 35% for C-D, 24% for A-D, 23% for B-D, and 10% for A-B. What has the geneticist constructed?arrow_forwardRecombination frequencies have been determined between four genes (A, B, C and D) as follows: A-B: 20%, B-C: 50%, A-D: 50%, C-D: 5% Which of the four genes is/are likely linked on the same chromosome?arrow_forward
- Assume you are mapping genes A, B, C, and D in Drosophila. You know that these genes are linked on the same chromosome, and you determine the recombination frequencies between each pair of genes to be as follows: A–B, 8%; A– C, 28%; A–D, 25%; B–C, 20%; B–D, 33%. (a) Describe how you determined the recombination frequency for each pair of genes. (b) Draw a chromosome map based on your data.arrow_forward2)A,B,C, and D are genes linked on the same chromosome. Given the following recombination frequencies, what is the gene order? A-B 15%, B-C 26%, C-D 30%, A-C 11%,A-D 19%, and B-D 4%.arrow_forwardConsider the following two parents that are real chromosome encoded. Then, draw and calculate the result of performing a complete arithmetic recombination with the subtraction operation and a = 0.6, as well as complement mutation on the following parents, to produce the first child, with details? P1 .3 .6 .1 .5 .8 .7 .9 .4 .2 P2 .9 .5 .8 .1 .2 .3 .7 .4 .6arrow_forward
- Recombination frequencies between four genetically-linked loci in corn are shown in the following table: Loci Recombination Frequency (%) L and Q 20 Q and R 50 R and L 30 Q and W 13 L and W 7 What is the order of the genes on the chromosome? (note: The same answer can be represented forward or backwards. e.g. A B C D = D C B A) LQWR RQWL LRQW QRLW RLWQarrow_forwardRecombination frequencies have been determined between four genes (A, B, C and D) as follows: A-B: 20%, B-C: 50%, A-D: 50%, C-D: 5% Which of the four genes is/are likely linked on the same chromosome? OC and D are linked B and D are linked A and C are linked A and B are linkedarrow_forwardJ, K, L, M, and N are five genes found on a single chromosome in rabbits. The recombination frequencies between the five genes, as determined by multiple experimental crosses, are shown below. L-J = 31% L-M = 40% M-J = 9% N-K = 8% N-J = 19% K-M = 20% Knowing that Gene L is at position 1 on the rabbit chromosome shown below, place the remaining genes in their appropriate positions. L 1 5 K 10 J 115 20 M 25 30 N 35 40arrow_forward
- Construct a chromosome map from the following charts showing crossover frequencies for linkage groups on autosomes. (this one is tricky due to the unusual recombinations Gene Combinations Recombination Frequency y/w 2.2 v/m 3.0 v/r 26.6 v/w 30.0 v/y 32.2 w/m 33.0 y/m 35.2 w/r 56.6arrow_forwardRecombination frequencies between three loci in corn are shown in the following table: Loci Recombination frequency (%) R and W2 17 R and L2 35 W2 and L2 18 What is the order of the genes on the chromosome?arrow_forwardConsider an equation x^2 – 5x = -4. Now use genetic algorithm to find a proper value of x within the range of 0 - 15. a) Build a population of 4 chromosome with 4 genes each. You cannot repeat the same chromosome twice.arrow_forward
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genetic recombination strategies of bacteria CONJUGATION, TRANSDUCTION AND TRANSFORMATION; Author: Scientist Cindy;https://www.youtube.com/watch?v=_Va8FZJEl9A;License: Standard youtube license