BIOLOGY-TEXT
5th Edition
ISBN: 9781260169621
Author: BROOKER
Publisher: MCG
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Chapter 17, Problem 1COQ
Discuss the principles of the chromosome theory of inheritance. Which principles do you think were deduced via light microscopy, and which were deduced from crosses? What modern techniques could be used to support the chromosome theory of inheritance?
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Consider 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 .6
Based on the data in Table 1, which individual(s) is/are heterozygous? Select all that apply
a) B IV-8
b) C IV-3
c) B IV-9
d) A IV-3
Please show proper explanation and solution for me to understand better. Thank youuuu :)
Chapter 17 Solutions
BIOLOGY-TEXT
Ch. 17.1 - Prob. 1CCCh. 17.1 - Prob. 2CCCh. 17.1 - Prob. 3CCCh. 17.1 - Prob. 4CCCh. 17.1 - Mendels Laws of Inheritance Concept Check: What...Ch. 17.2 - Prob. 1CSCh. 17.2 - Prob. 2CSCh. 17.2 - Prob. 1CCCh. 17.3 - Prob. 1CCCh. 17.3 - Prob. 2CC
Ch. 17.4 - Prob. 1CCCh. 17.4 - Prob. 1EQCh. 17.4 - Prob. 2EQCh. 17.4 - Prob. 3EQCh. 17.5 - Prob. 1CSCh. 17.5 - Prob. 1CCCh. 17.6 - Prob. 1CCCh. 17 - Prob. 1TYCh. 17 - During which phase of nuclear division does the...Ch. 17 - Prob. 3TYCh. 17 - Which of Mendels laws cannot be observed in a...Ch. 17 - During a __________blank, an individual with the...Ch. 17 - Prob. 6TYCh. 17 - Prob. 7TYCh. 17 - A hypothetical flowering plant species produces...Ch. 17 - Genes located on a sex chromosome are said to be...Ch. 17 - Prob. 10TYCh. 17 - Prob. 1CQCh. 17 - A cross is made between individuals having the...Ch. 17 - Core Concept: Systems We can view life as a...Ch. 17 - Discuss the principles of the chromosome theory of...Ch. 17 - When examining a human pedigree, what patterns do...
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- Give examples of convetional stains used for karyotyping and describe each briefly. Include which part(s) of the chromosomes these stains visualize. What is an ideogram? What is its significance? What are some of the medical applications of karyotyping?arrow_forwardThree autosomal recessive mutations in yeast, all producing the same phenotype (m1, m2, and m3), are subjected to complementation analysis. Of the results shown below, which, if any, are alleles of one another? Predict the results of the cross that is not shown—that is, m2 * m3. Cross 1: m1 * m24 F1: all wild-type progeny Cross 2: m1 * m34 F1: all mutant progenyarrow_forwardYou conduct a series of two-point mapping crosses involving five genes located on chromosome III and obtain the following percentage of recombinant offspring: h-cu eyg-h eyg-cu rai-eyg rai-h rai-cu th-cu th-h th-eyg th-rai 23.5% 9.0% 14.5% 18.5% 9.5% 33.0% 6.8% 16.7% 7.7% 26.2% The rai gene is at the near end of the chromosome. Gene th is between which two genes? A. eyg and cu B. rai and cu C. h and cu D. rai and harrow_forward
- Using designations "Group A", “Group B," etc., organize the mutant strains into complementation groups. If the result of any cross does not fit your groupings, indicate which cross(es) you have excluded. Consider the consequence if one of the mutations was dominant. You should see that complementation tests could not be used to provide information about dominant mutations. a) If a mutation were dominant, how would the diploid be affected? What effect would this have on the determination of your complementation groups? b) How would you test if any of these trp¯ mutations were dominant?arrow_forwarda) Explain why when a chiasma is formed, only 50% of the meiotic products will be of recombinant type. b) Determine the sequence of the three genes (y, cl and vg) that are linked on a chromosome based on the genetic distances provided below: y- vg 43 y- cl vg – cl 5 38arrow_forwardThe answer is "D" but can you explain in a short summary why D is the answer pleasearrow_forward
- The first task in mapping genes in three-point testcross is to determine their order on the chromosome and then to determine the locations of the cross overs. There are two ways, one can determine which gene is in the middle. Describe both the methods that explains how one would determine the middle locus- You can use three genes A, B, and C. You can decide whatever phenotype each gene encodes.arrow_forwardConsider the genetic map below. (a) In a total of 1000 observed progeny, how many would be expected to be parental, non-recombinant? (b) If the total number of observed double-crossover recombinant progeny is 0, what is the interference? A-------20 cm-----B—5cm----Carrow_forwardThe table below shows the progeny of a test cross of a heterozygote (HhFfGg). Each row shows the number of progeny that inherited each combination of alleles from the heterozygous parent. You've already determined the gene order (G is in the middle) and labeled each type of progeny. Using this information, what is the recombination frequency between H and G? Alleles: Type: HGF hgf HgF h Gf Hgf h GF HGf hg F O 0.543 0.302 O 0.241 O 0.23 0.139 Parental Parental DCO DCO SCO (H-G) SCO (H-G) SCO (G-F) SCO (G-F) Count: 124 119 15 18 51 55 38 40 O The correct answer is not available.arrow_forward
- Genes Q, R, and S are on the same chromosome. The crossoverfrequency between S and Q is 5%, the crossover frequency betweenQ and R is 30%, and the crossover frequency between R and S is35%. Use this information to create a linkage map for thechromosomearrow_forwardA researcher crosses mice with brown eyes and long tails, and the F1 progeny were recovered in the following numbers and phenotypic classes: F1: 6 apricot, short : 30 brown, long : 15 brown, short : 9 apricot, long You know the genes encoding these traits are autosomal, completely dominant and assort independently. You want to use a chi-square test to analyse these results. a) Making use of the appropriate genetic convention for naming alleles, give the genotype of the male parent in this cross. b) What is your null hypothesis for the chi-square test? c) Give the expected number of individuals in the "brown, long" class. d) You obtain a value of 3.47 for the chi-square test. What conclusion can you make from the results of the chi-square test? P df 0.995 0.975 0.9 0.5 0.1 0.05* 0.025 0.01 0.005 1 0.000 0.000 0.016 0.455 2.706 3.841 5.024 6.635 7.879 2 0.010 0.051 0.211 1.386 4.605 5.991 7.378 9.210 10.597 0.072 0.216 0.584 2.366 6.251 7.815 9.348 11.345 12.838 4 0.207 0.484 1.064 3.357…arrow_forwardDetermine the order of the genes on the chromosome.arrow_forward
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