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
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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
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| B. |
T R S
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| C. |
Cannot be determined
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| D. |
S T R
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- Which of the following was used to label protein in the hereditary material for genetic information study? a. ^32P b. ^35S c. ^35P d. ^32SFor two genes that are genetically unlinked but physically linked because they are on the same chromosome, what is their genetic distance? a. 0 cM b. 25 cM c. 50 cM d. 100 cMAn individual with two different alleles at a locus is a(n) Group of answer choices A. clone B. hemizygote C. homozygote D.heterozygote
- Use the pedigree to answer the questions that follow. Make sure you put your answer in the correct blank. A) AB В 1 5 II A A AB B A AB A 3 5 6 7 8 II A A B 2 3 5 6 a) State the possible blood type(s) of individual I-4 b) State the possible blood type(s) of individual I-6 c) State the possible genotype(s) of individual Il-5 d) State the possible genotype(s) of individual II-6 e) Determine the percentage chance that couple Il-4 and Il-5 have another child that has type O blood 2.An individual has the following genotype. Gene loci (A) and (B) are 15 m.u. apart. What are the correct frequencies of some of the gametes that car be made by this individual? Bl a O A. Ab = 7.5%; AB = 42.5% B. ab = 25%; aB = 50% O C. AB = 7.5%; aB = 42.5% O D. aB = 15%; Ab = F0% E. aB = 70%; Ab = 15% Reset Selection OMark for Review What's This?A researcher is interested in whether a disease gene is linked to an RFLP marker. A cross is made between pure breeding blind cavefish and pure breeding sighted cavefish. The lines are pure breeding. The resulting RFLP markers of the F1 offspring and the F2 (from an F1XF1 cross) offspring are shown. F1 F2 A. If the disease gene is 10 m.u. from the RFLP marker, what proportion of the F2 will have the gel pattern shown above AND be blind? Show your work B. If the disease gene is 10 mu. from the RFLP marker, what proportion of the F2 will have the gel pattern above AND NOT be blind? Show your work Blind cavefish Sighted cavefish Sighted cavefish 1 Sighted cavefish
- What is/are the phenotypes of the recombinant offspring of the F2generation?a. red eyes, long wingsb. white eyes, miniature wingsc. red eyes, long wings and white eyes, miniature wingsd. red eyes, miniature wings and white eyes, long wings [Answer the multiple-choice questions based on the following experiment:P generation: True-breeding flies with red eyes and long wings werecrossed to flies with white eyes and miniature wings. All F1 offspringhad red eyes and long wings.The F1 female flies were then crossed to males with white eyes and miniaturewings. The following results were obtained for the F2 generation:129 red eyes, long wings133 white eyes, miniature wings71 red eyes, miniature wings67 white eyes, long wings]a. Which progeny are the parental types? How can you tell?b. Which progeny are the recombinants? How can you tell?c. Do the results of this test cross support linkage of the traits? What is the % recombination?In mice, genes R and T are 30 m.u. apart. If a mouse with genotype Rt/rT is crossed with a mouse with genotype rt/rt, what fraction of the progeny are expected to have genotype Rt/rt? A.) 70% B.) 15% C. 35% D. 30%
- The genetic map shows the location of three genes on a chromosome. Order the gene pairs based on their likelihood of recombining from most likely to least likely to recombine. A BC с genes A and B genes B and C Most likely Least likely Answer Bank genes A and CBased on the table below, what is the order of the genes examined? a b с d A B C/C B A Selected answer will be automatically saved. For keyboard navigation, press up/down arrow keys to select an answer. A C B/B C A CAB/BAC Phenotype of testcross ССА/АСС A,C C A, B, C A B, C A, B B Genotype of hybrid gamete Abc ab C A B C Abc a B C abc е Not enough information A B C a B c # of progeny 388 5 50 64 51 47 5 390 1000In references to the "alpha-globin gene locus" or "beta-globin gene locus", the term "locus" means A a chromosome region with a cluster of related globin protein genes. B a geographical region where a genetic disease like sickle cell anemia is common. the location, in this case red blood cells, where a mutant phenotype is manifested D. a duplicated, ancestral gene. an alpha, or a beta-globin protein with a single amino acid change.