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#2 New Problem for 3 sex-linked genes. Triply heterozygous females were mated to triply mutant males and obtained the following results: (gene orders are not certain) a, b, c 35 a, +, + +, b, c +, b, + a, +, c 35 70 75 +, +, c a, b, + 385 400 a) Circle the parental genotypes. b) Box the double recombinants. c) Determine the order of the three loci on the X chromosome d) Estimate the gene distances between these alleles.

#2 New Problem for 3 sex-linked genes. Triply heterozygous females were mated to triply mutant males and obtained the following results: (gene orders are not certain) a, b, c 35 a, +, + +, b, c +, b, + a, +, c 35 70 75 +, +, c a, b, + 385 400 a) Circle the parental genotypes. b) Box the double recombinants. c) Determine the order of the three loci on the X chromosome d) Estimate the gene distances between these alleles.

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Can I get an explanation for 1a, 1d, 1e, 2c, 2d and the calculations for the level of interference please.

144 #2 New Problem for 3 sex-linked genes. Triply heterozygous females were mated to triply mutant males and obtained the following results: (gene orders are not certain) +, +, a, b, c 0. 35 a, +, + +, b, c +, b, + 35 70 75 385 a, +, c +, +, c a, b, + 400 a) Circle the parental genotypes. b) Box the double recombinants. c) Determine the order of the three loci on the X chromosome d) Estimate the gene distances between these alleles. at>b at>c #3 Calculate the level of interference using the genes above. (show your work) For problem #1: For problem #2:
Transcribed Image Text:144 #2 New Problem for 3 sex-linked genes. Triply heterozygous females were mated to triply mutant males and obtained the following results: (gene orders are not certain) +, +, a, b, c 0. 35 a, +, + +, b, c +, b, + 35 70 75 385 a, +, c +, +, c a, b, + 400 a) Circle the parental genotypes. b) Box the double recombinants. c) Determine the order of the three loci on the X chromosome d) Estimate the gene distances between these alleles. at>b at>c #3 Calculate the level of interference using the genes above. (show your work) For problem #1: For problem #2:
Genetics Assignment Gene Linkage march 24 #1 Determine order/distance for linked genes. A Drosophila geneticist made a cross between females homozygous for three X-linked recessive mutations (a, a short body; b, oblong eye shape; c, colored eyes) and wild- type males. a) List the genotypes and phenotypes for the F1 progeny. 4 ee The F1 females were then mated to triply mutant males. Notice that this is just a cross between the F1 progeny from above, and that the phenotype of the offspring will be determined by the maternal gametic contribution. The phenotypic results for the F1 cross is as follows: (gene orders are not certain) +, +, + a, b, c (a, +, +2 +, b, c +, b, + a, +, c (+, +, c a, b, + 400 385 70 69 5. 35 35 b) Circle the parental genotypes. 7c) Box the double recombinants. d) Determine the order of the three loci on the X chromosome e) Estimate the gene distances between these alleles. atb at>c
Transcribed Image Text:Genetics Assignment Gene Linkage march 24 #1 Determine order/distance for linked genes. A Drosophila geneticist made a cross between females homozygous for three X-linked recessive mutations (a, a short body; b, oblong eye shape; c, colored eyes) and wild- type males. a) List the genotypes and phenotypes for the F1 progeny. 4 ee The F1 females were then mated to triply mutant males. Notice that this is just a cross between the F1 progeny from above, and that the phenotype of the offspring will be determined by the maternal gametic contribution. The phenotypic results for the F1 cross is as follows: (gene orders are not certain) +, +, + a, b, c (a, +, +2 +, b, c +, b, + a, +, c (+, +, c a, b, + 400 385 70 69 5. 35 35 b) Circle the parental genotypes. 7c) Box the double recombinants. d) Determine the order of the three loci on the X chromosome e) Estimate the gene distances between these alleles. atb at>c
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