Answered: 9. Neither Mendelian genetics nor…

Name: 19. Neither Mendelian genetics nor genetic linkage can accurately exp
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Description: 19. Neither Mendelian genetics nor genetic linkage can accurately explain all formsof chromosome behavior.TrueFalse

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Biology

9. Neither Mendelian genetics nor genetic linkage can accurately explain all forms f chromosome behavior.

Biology 2e

2nd Edition

ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter13: Modern Understandings Of Inheritance

Section: Chapter Questions

Problem 6RQ: Which recombination frequency corresponds to independent assortment and the absence of linkage? 0...

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Which recombination frequency corresponds to independent assortment and the absence of linkage? 0 0.25 0.50 0.75
Which recombination frequency corresponds to perfect linkage and violates the law of independent assortment? 0 0.25 0.50 0.75
The phenotype of individuals heterozygous for ________ alleles comprises both homozygous phenotypes. a. epistatic b. codominant c. pleiotropic d. hybrid
3. With modern molecular methods it is now possibleto examine variants in DNA sequence from a verysmall amount of tissue like a hair follicle or even asingle sperm. (See the Fast Forward Box Mappingthe Crossovers that Generate the Chromosomes ofIndividual Human Sperm.) You can consider thesevariants to be alleles of a particular site on a chromosome (a locus; loci in plural). For example,AAAAAAA, AAACAAA, AAAGAAA, andAAATAAA at the same location (call it B) on homologous autosomes in different sperm might becalled alleles 1, 2, 3, and 4 of locus B (B1, B2, etc.).John’s genotype for two loci B and D is B1B3andD1D3. John’s father was B1B2and D1D4, while hismother was B3B3and D2D3.a. What is (are) the genotype(s) of the parental typesperm John could produce?b. What is (are) the genotype(s) of the recombinanttype sperm John could produce?c. In a sample of 100 sperm, 51 of John’s sperm werefound to be B1and D1, while the remaining 49 spermwere B3D3. Can you conclude whether the B and Dloci…
1. Construct a map of a chromosome containing 4 genes. Some of the distances between these genes are listed below. The distance between genes R and C is 10 units The distance between genes C and P is 13 units The distance between genes P and R is 3 units The distance between genes S and C is 18 units The distance between genes S and R is 8 units SPRC D. What two genes would likely have the most recombination events between them? S and C P and R E. What two genes would likely have the fewest recombination events between them? F. How many units are between S and P?
39 The structures labelled A and B in the image below represent: СТАААТСGGT. Allele for red flowers B Enzyme A Allele for white flowers One allele sufficient to ATAAATCGGT produce half the pigment Select one alternative: O the locus for flower colour; a red flower the locus for flower colour; a white flower O non-homologous chromosomes; a red flower O homologous chromosomes; a pink flower
7. The following diagram shows 2 pairs of autosomal chromosomes in a karyotype of a biological woman. Based on the karyotype, a genetic counsellor determined that there is evidence that a translocation occurred between two non-homologous chromosomes. The other 21 pairs of chromosomes are NOT shown in this diagram. Assume no chromosomal aberrations occurred in the other chromosomes. As a student-researcher, the genetic counsellor asks you if you can determine whether the translocation occurred in a somatic cell, germ-line cell, or whether this can even be determined from the figure? Provide an answer and the reasoning for your answer. D
00 PR 3. Which of the following is characteristic of reciprocal translocation? O a. Parts of two homologous chromosomes are exchanged O b. None are characteristic of reciprocal translocation. O c. All are characteristics of reciprocal translocation O d. The carrier of a reciprocal translocation always produces offspring with normal chromosomes O e. The individual with the translocation always exhibits the abnormality. MacBook Air 888 F4 DD 00 F5 F2 F3 * 4 6. 7. D. B. N
1. The dpy-5 gene is on Chromosome I, rol-6 on Chr II, and him-5 on Chr V. We know that the mutation for him-5 is recessive. You need to find out whether dpy-5 and rol-6 is recessive or dominant. The him-5 males carry no mutation for dpy-5 or rol-6; in other words, they have the wildtype genotype for the dpy-5 and rol-6 loci. a. In your dpy-5* him-5 cross, if dpy-5 is dominant, what do you expect to see in your F1 progeny? If dpy-5 is recessive, what do you expect? b. In your rol-6 * him-5 cross, if rol-6 is dominant, what do you expect to see in your F1 progeny? if rol-6 is recessive, what do you expect?
10. Camels Ff Gg Hh were testcrossed. The results: Number Phenotype FGH 225 Fg H Fgh fg H 37 43 195 FGh 215 fGH 39 fG h 41 fgh 205 Total 1000 Look carefully at the numbers, then draw a map and include any relevant distances between any linked genes. Show which alleles are on which chromosomes.
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