1. Construct a map for the genes d,e,f. Assume that: d and e = 3%; e and f = 5%. Give 2 arrangements of the genes/maps. 2. If d and f = 2%, what is the correct arrangement of the genes d,e,f? 3. Consider the fourth gene “g”. if g and e = 1.5%, give two possible arrangements. 4. If d and g = 1.5 % give the correct order of the four genes

1. Construct a map for the genes d,e,f. Assume that: d and e = 3%; e and f = 5%. Give 2 arrangements of the genes/maps. 2. If d and f = 2%, what is the correct arrangement of the genes d,e,f? 3. Consider the fourth gene “g”. if g and e = 1.5%, give two possible arrangements. 4. If d and g = 1.5 % give the correct order of the four genes

Biology (MindTap Course List)

11th Edition

ISBN:9781337392938

Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Chapter11: The Basic Principles Of Heredity

Section: Chapter Questions

Problem 12TYU: Genes A and B are 6 map units apart, and A and C are 4 map units apart. Which gene is in the middle...

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2. You are making a genetic map and use a cross to measure the distance between genes H and J as 40cMand the distance between J and M as 20cM. When you measure the distance between genes H and M, you get 50 cM. Do the following (A-C). (A) Draw and label a map of genes H, J, and M. (B) What is the genetic distance between genes H and M? How do you know? (Answer in 1 sentence) (C) Complete the table (right). For each pair of genes, write “yes” or “no” to indicate whether the pair of genes are“linked genes” and/orpart of the same“linkage group”.
1. a) If you were at risk of a fatal disease such as Huntington’s disease and only the 95% accurate preliminary genetic test was available, would you take the test? After all, 95% of the time the test would tell you whether you would eventually get Huntington’s disease or whether you did not have to worry about getting this disease. b) The linkage distance between the DNA sequence used in the test and the actual Huntington’ disease locus was 5%. In a large sample of the Venezuelan family, what percentage of people would inherit the DNA sequence but not the Huntington’s allele (i.e. be a false positive test for Huntington’s)? What percentage of that large Venezuelan family would not inherit the DNA sequence but would inherit the Huntington’s allele (i.e., be a false negative test for Huntington’s)?
Construct a map for the genes d,e,f. Assume that: d and e = 3%; e and f = 5%. Give 2arrangements of the genes/maps.
1) By convention, the recessive trait will determine the abbreviation used to track crosses if it is a mutant condition, since it stands out in contrast to the rest of the population. For example, if pea pods are typically green in color, a mutant condition might result in yellow pea pods; therefore, the lowercase letter ‘y’ would be used to depict the mutant state, yellow, while uppercase ‘Y’ would depict the wildtype (wt) condition, green. Remember that the mutant condition is not necessarily always recessive. 1 A) . If green is dominant wt (Y) and yellow is a recessive mutant condition (y), depict a Yy father mated with a YY mother in the Punnett. 1B) Considering the dominant allele, what colors are the parents in the cross above? Yy = _____________________ YY = _____________________ 1C) What colors are the offspring in the cross above? 1D) What is the phenotypic ratio of the offspring? 1E) What is the genotypic ratio of the offspring? (Remember, the genotypic ratio is based…
1. Using the diagram below, fill in the following Table to give the names of the genes that are present in the mnmE gene neighbourhood following single crossover homologous recombination. Part A ) Letter for gene in diagram Gene name A B C D E F Part B) Illustrate with an arrow on the above SXO diagram where a crossover would create a DXO mutation.
1. Diagram the hybrid cross showing the segregation of genes responsible for grain color in rice. Indicate all applicable gene relationships. Indicate the genotypes, phenotypes and gametes of individuals involved in all crosses. Derive the genotypic and phenotypic ratios of the F2 generationusing the branching method.. Given: Black beans - 56 Red beans- 16 White beans 24 2. Interpret the result of your Chi-squared test. a. How many gene pairs wereresponsible for grain color in rice?b. What gene interaction was presentin the genes for the said traits?c. What are the dominant phenotypesfor the said trait?d. What are the recessive phenotypesfor the said trait?e. Are the genes independentlysegregating?f. What are the possible genotypes ofthe P1 and P2 that produced this F2population?g. Indicate your gene notation
Determine the gene order (which gene is in the middle?), as you were shown in exercises for Tutorial 6, showing all your work. Construct a genetic map for the three genes, including the map distances between them. Clearly indicate the logic you followed and show all your calculations. Include the full distance calculations for the two most distanced genes (do not just add the other 2 distances).
What is the most likely order of the linked genes R, S, and T if the distance between R and S is 22 cM, the distance between S and T is 8cM, and the distance between R and T is 14 cM? A. R S T B. T R S C. Cannot be determined D. S T R
1. a. Examine the following image showing the results of an ALU insert gel-like. The first lane is the molecular marker. How many + alleles are represented in lanes 2-8? Assume each lane is an individual's amplified diploid DNA. b.The first lane is the molecular marker. How many - alleles are represented in lanes 2-8? Assume each lane is an individual's amplified diploid DNA. c.The first lane is the molecular marker. If lanes 2-8 represent the seven students in the class, what is the frequency of the + allele in this small population? d. If this gel represents the genotypes of all 7 students in a class, what is the EXPECTED number of people that would have a +/+ genotype if this small population were in Hardy-Weinberg equilibrium? (To nearest tenth)
1. Why is the relationship P=p2 used for homozygous loci?
The diagram below is a linkage map. Choose the answer that best describes the relationship between each of the pairs of genes listed. Are they in the same linkage group or different? Are they linked genes or unlinked? R-S? E-P? E-S? L-B? X-L? R-X? P-B? X-B? Choose from the following: Same linkage, different group Different linkage groups, linked Same linkage group, unlinked Different linkage groups, unlinked
1.) A farmer wants to breed a variety of taller corn. a) How can the farmer use variation in the height of the current corn plants to produce taller corn plants? b) Will the farmer’s work be most effective if height in corn plants is determined by polygenic inheritance, multiple alleles, or co-dominant alleles? Explain. c) The farmer finds that many of the tallest corn plants are also very susceptible to a particular disease. How could the farmer design an experiment to find out if the genes for height are linked to the genes for resistance to the disease?