Data Set B presents the results of a testcross using female flies heterzygous for three traits and male flies, which are homozygous recessive for the same three traits.
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Data Set B presents the results of a testcross using female
flies heterzygous for three traits...
Data set B presents the results of a testcross using female flies heterozygous for three traits...
Data set B presents the results of a testcross using female
flies heterozygous for three traits and male flies, which are
homozygous recessive for the same three traits. For this part of
the report do the following:You have first to determine the gene
order. Construct a genetic map for these three genes, including the
map distances between them. Clearly indicate the logic you followed
and show all your calculations.
91 504 346 342 343 344 476 79 B5 0 +...
The following is a testcross of females flies heterozygous for three traits and male flies which...
The following is a testcross of females flies heterozygous for three traits and male flies which are homozygous recessive for the same three traits. a b c 451 a + + 172 + b + 171 + + + 459 + b c 180 a + c 178 + + c 96 a b + 92 a) Determine the parental, SCOI, SCOII and DCO classes b) Determine Gene Order c) Rewrite the table with the right gene order d) Calculate...
Drosophila Genetic Mapping
+++98abc99++c257a+c217ab+264+b+214a++484+bc477The data set tabulated above presents the results of a testcross using female flies heterozygous for three traits and male flies, which are homozygous recessive. For simplicity, mutant alleles are shown with letters a, b, and c, and wildtype alleles are indicated by a “+” symbol.Determine the gene order (which gene is in the middle?)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...
Suppose a geneticist uses a three-point testcross to map three recessive, linked hummingbird wing-shape mutations called...
Suppose a geneticist uses a three-point testcross to map three recessive, linked hummingbird wing-shape mutations called tk, r, and s, where tk is associated with thick wings, r is associated with round wings, and s is associated with sharp wings. He first crosses homozygous sharp birds to homozygous thick, round birds. Next, he testcrosses the F1 progeny to thick, round, sharp birds. He obtained the results shown. Given this data, label the progeny phenotypic classes as either parental, single crossover...
Suppose a geneticist uses a three-point testcross to map three recessive, linked hummingbird wing-shape mutations called...
Suppose a geneticist uses a three-point testcross to map three recessive, linked hummingbird wing-shape mutations called tn, f, and b, where tn is associated with thin wings, f is associated with flat wings, and b is associated with blunt wings. He first crosses homozygous blunt birds to homozygous thin, flat birds. Next, he testcrosses the F1 progeny to thin, flat, blunt birds. He obtained the results shown. Given this data, label the progeny phenotypic classes as either parental, single crossover...
A geneticist is using a three-point testcross to map three linked Drosophila recessive mutations called a,...
A geneticist is using a three-point testcross to map three linked Drosophila recessive mutations called a, b, and c, where a is associated with anomalous gait; b is associated with buckled wings; and c is associated with curved bristles. She first crosses homozygous anomalous, buckled flies to homozygous curved flies. Next, she testcrosses the F1 progeny to anomalous, buckled, curved flies. She obtains 1000 progeny distributed as the following results. From this data, calculate the map distance between a and...
Question 5 (14 marks) The allele cn gives fruit flies cinnabar eyes, whereas the allele cn...
Question 5 (14 marks) The allele cn gives fruit flies cinnabar eyes, whereas the allele cn gives red, the wild-type phenotype. The allele wx of a separate allele gives waxy wings, and wx gives non-waxy wings (wild-type). The allele b of a third gene gives fruit flies a black body, whereas the allele b gives a brown (wild-type) body colour. A geneticist knows these three genes are on the same chromosome, but does not know what order the genes are...
A geneticist is using a three-point testcross to map three linked Drosophila recessive mutations called a,...
A geneticist is using a three-point testcross to map three linked Drosophila recessive mutations called a, b, and c, where a is associated with anomalous gait, bis associated with buckled wings, and is associated with curved bristles. She first crosses homozygous anomalous, buckled flies to homozygous curved flies. Next, she testcrosses the F1 progeny to anomalous, buckled, curved flies. She obtains 1000 progeny distributed as shown. Which gene is in the middle? Testcross progeny phenotype Number curved 277 anomalous, buckled...
S. Imagine that you set up a three-point mapping crus to determine the orier or three...
S. Imagine that you set up a three-point mapping crus to determine the orier or three (linked genes. You have recessive mutations available for all three genes: Follow (1) 1hite (r) and echinus (ec). A heterozygous F, Drosophila female is crossed to a hemizygous mutant male. The observed numbers and phenotypes of Fz are as follows: 4685 yellow, white, echinus 4759 wild type 80 yellow 70 white, echinus 193 yellow, white 207 echinus 3 yellow, echinus 3 white Based on...
F1 Testcross Progeny Phenotype Number 617 narrow Suppose a geneticist uses a three-point testcross to map...
F1 Testcross Progeny Phenotype Number 617 narrow Suppose a geneticist uses a three-point testcross to map three linked Drosophila recessive mutations called f, w, and n. Gene f is associated with abnormally fast movement, w is associated with a wavy movement pattern, and n is associated with narrow wings. 637 211 241 fast, wavy wavy fast, narrow fast wavy, narrow fast, wavy, narrow wild type 235 The geneticist first crosses homozygous narrow flies to homozygous fast, wavy flies. Next, he...
Data set B presents the results of a testcross using female
flies heterozygous for three traits and male flies, which are
homozygous recessive for the same three traits. For this part of
the report do the following:You have first to determine the gene
order. Construct a genetic map for these three genes, including the
map distances between them. Clearly indicate the logic you followed
and show all your calculations.
91 504 346 342 343 344 476 79 B5 0 +...
Suppose a geneticist uses a three-point testcross to map three recessive, linked hummingbird wing-shape mutations called tk, r, and s, where tk is associated with thick wings, r is associated with round wings, and s is associated with sharp wings. He first crosses homozygous sharp birds to homozygous thick, round birds. Next, he testcrosses the F1 progeny to thick, round, sharp birds. He obtained the results shown. Given this data, label the progeny phenotypic classes as either parental, single crossover...
Suppose a geneticist uses a three-point testcross to map three recessive, linked hummingbird wing-shape mutations called tn, f, and b, where tn is associated with thin wings, f is associated with flat wings, and b is associated with blunt wings. He first crosses homozygous blunt birds to homozygous thin, flat birds. Next, he testcrosses the F1 progeny to thin, flat, blunt birds. He obtained the results shown. Given this data, label the progeny phenotypic classes as either parental, single crossover...
A geneticist is using a three-point testcross to map three linked Drosophila recessive mutations called a, b, and c, where a is associated with anomalous gait; b is associated with buckled wings; and c is associated with curved bristles. She first crosses homozygous anomalous, buckled flies to homozygous curved flies. Next, she testcrosses the F1 progeny to anomalous, buckled, curved flies. She obtains 1000 progeny distributed as the following results. From this data, calculate the map distance between a and...
Question 5 (14 marks) The allele cn gives fruit flies cinnabar eyes, whereas the allele cn gives red, the wild-type phenotype. The allele wx of a separate allele gives waxy wings, and wx gives non-waxy wings (wild-type). The allele b of a third gene gives fruit flies a black body, whereas the allele b gives a brown (wild-type) body colour. A geneticist knows these three genes are on the same chromosome, but does not know what order the genes are...
A geneticist is using a three-point testcross to map three linked Drosophila recessive mutations called a, b, and c, where a is associated with anomalous gait, bis associated with buckled wings, and is associated with curved bristles. She first crosses homozygous anomalous, buckled flies to homozygous curved flies. Next, she testcrosses the F1 progeny to anomalous, buckled, curved flies. She obtains 1000 progeny distributed as shown. Which gene is in the middle? Testcross progeny phenotype Number curved 277 anomalous, buckled...
S. Imagine that you set up a three-point mapping crus to determine the orier or three (linked genes. You have recessive mutations available for all three genes: Follow (1) 1hite (r) and echinus (ec). A heterozygous F, Drosophila female is crossed to a hemizygous mutant male. The observed numbers and phenotypes of Fz are as follows: 4685 yellow, white, echinus 4759 wild type 80 yellow 70 white, echinus 193 yellow, white 207 echinus 3 yellow, echinus 3 white Based on...
F1 Testcross Progeny Phenotype Number 617 narrow Suppose a geneticist uses a three-point testcross to map three linked Drosophila recessive mutations called f, w, and n. Gene f is associated with abnormally fast movement, w is associated with a wavy movement pattern, and n is associated with narrow wings. 637 211 241 fast, wavy wavy fast, narrow fast wavy, narrow fast, wavy, narrow wild type 235 The geneticist first crosses homozygous narrow flies to homozygous fast, wavy flies. Next, he...
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