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Questions 10 and 11 please
(10.-11.) The allele b gives Drosophila flies a black body and...
2. The allele b gives Drosophila flies a black body, and bt gives brown, the wild-type...
2. The allele b gives Drosophila flies a black body, and bt gives brown, the wild-type phenotype. The allele wx of a separate gene gives waxy wings, and wx+ gives nonwaxy, the wild-type phenotype. The allele cn of a third gene gives cinnabar eyes, and cn* gives red, the wild-type phenotype. A female heterozygous for these three genes is testcrossed, and 1000 progeny are classified as follows: 5 wild type, 6 black waxy cinnabar, 69 waxy cinnabar, 67 black, 382...
For Questions 15-18 The allele b gives Drosophila a black body, and b gives brown (the...
For Questions 15-18 The allele b gives Drosophila a black body, and b gives brown (the wildtype). The allele wx of a second gene gives waxy wings and wx* gives nonwaxy wings (the wildtype). The allele cn of a third gene gives cinnabar eyes and cnt gives red (the wildtype). A female heterozygous for these three genes is testcrossed and 1000 progeny are classified as follows: bt, wx, cn 382 b, wx, en 379 bt, wx, cn 69 b, wx,...
Can you please help me with this problem: 3. The allele b gives Drosophila flies a...
Can you please help me with this problem:
3. The allele b gives Drosophila flies a black body, and b+ gives brown, the wild type phenotype. The allele wx of a separate gene gives waxy wings, and wx+ gives nonwaxy, the wild type phenotype. The allele cn of a third gene gives cinnabar eyes, and cn+ gives red, the wild-type phenotype. A female heterozygous for these three genes is testcrossed, and 1000 progeny are classified as follows: 5 wild type;...
For Questions 15-18 The allele b gives Drosophila a black body, and b+ gives brown (the...
For Questions 15-18 The allele b gives Drosophila a black body, and b+ gives brown (the wildtype). The allele wx of a second gene gives waxy wings and wx* gives nonwaxy wings (the wildtype). The allele en of a third gene gives cinnabar eyes and cngives red (the wildtype). A female heterozygous for these three genes is testcrossed and 1000 progeny are classified as followst b, wx, en 389 b, wx, en 379 bt, wx, cn b, wx, en 67...
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...
The allele se gives Drosophila a sepia body and se+ gives brown, the wild-type phenotype. The...
The allele se gives Drosophila a sepia body and se+ gives brown,
the wild-type phenotype. The allele ro of a separate gene gives
rough eyes and ro+ gives smooth eyes, the wild-type phenotype. The
allele ss of a third gene gives flies without thorax spines and ss+
gives flies with thorax spines, the wild-type phenotype.
When females heterozygous for each of these genes were
testcrossed with sepia, rough, spineless males, the following
classes and numbers of progeny were obtained:
wild...
In Drosophila, b+ is the allele for normal body color and at the same gene b...
In Drosophila, b+ is the allele for normal body color and at the same gene b is the allele for black body color. A second gene controls wing shape. The shape can be either normal (vg+) or vestigial (vg). A cross is made between a homozygous wild type fly and fly with black body and vestigial wings. The offspring were then mated to black body, vestigial winged flies. The following segregation ratio was observed: Phenotype # Observed Wild Type (normal,...
Genetic Linkage The six genes listed below are all located on Chromosome 2 of Drosophila melanogaster....
Genetic Linkage The six genes listed below are all located on Chromosome 2 of Drosophila melanogaster. Your goal is to construct a genetic map of Chromosome 2. That is, determine the order of these genes along chromosome 2 and the map distance in centimorgans between each gene. To complete this task, you will be given the results of a variety of two-point test crosses involving these genes. For each test cross you may assume that the female is heterozygous and...
In Drosophila (fruit flies) the genes how, dumpy and ebony are located on chromosome 3. LOF...
In Drosophila (fruit flies) the genes how, dumpy and ebony are located on chromosome 3. LOF = loss of function. Flies homozygous for a LOF mutation (no gene product made) in ebony have dark black bodies. Flies homozygous for a LOF mutation (no gene product made) in dumpyhave truncated (short) wings. Flies homozygous for a partial LOF mutation (some gene product made but significantly less than normal) in how have wings that will not fold down (held out wings; that's...
the fruit fly, Drosophila melanogaster, an allele (v) of the gene vermillion gives flies purple eyes...
the fruit fly, Drosophila melanogaster, an allele (v) of the gene vermillion gives flies purple eyes and is recessive to the wildtype red eye color (v+). An allele y of the yellow gene, gives flies a yellow body color compared to the dominant brown body color (yt). A heterozygous females for the two different mutations is test-crossed with mutant (i.e., homozygous recessive) males. The phenotypes of the progeny of this cross and their corresponding numbers are given below Yellow body,...
2. The allele b gives Drosophila flies a black body, and bt gives brown, the wild-type phenotype. The allele wx of a separate gene gives waxy wings, and wx+ gives nonwaxy, the wild-type phenotype. The allele cn of a third gene gives cinnabar eyes, and cn* gives red, the wild-type phenotype. A female heterozygous for these three genes is testcrossed, and 1000 progeny are classified as follows: 5 wild type, 6 black waxy cinnabar, 69 waxy cinnabar, 67 black, 382...
For Questions 15-18 The allele b gives Drosophila a black body, and b gives brown (the wildtype). The allele wx of a second gene gives waxy wings and wx* gives nonwaxy wings (the wildtype). The allele cn of a third gene gives cinnabar eyes and cnt gives red (the wildtype). A female heterozygous for these three genes is testcrossed and 1000 progeny are classified as follows: bt, wx, cn 382 b, wx, en 379 bt, wx, cn 69 b, wx,...
Can you please help me with this problem:
3. The allele b gives Drosophila flies a black body, and b+ gives brown, the wild type phenotype. The allele wx of a separate gene gives waxy wings, and wx+ gives nonwaxy, the wild type phenotype. The allele cn of a third gene gives cinnabar eyes, and cn+ gives red, the wild-type phenotype. A female heterozygous for these three genes is testcrossed, and 1000 progeny are classified as follows: 5 wild type;...
For Questions 15-18 The allele b gives Drosophila a black body, and b+ gives brown (the wildtype). The allele wx of a second gene gives waxy wings and wx* gives nonwaxy wings (the wildtype). The allele en of a third gene gives cinnabar eyes and cngives red (the wildtype). A female heterozygous for these three genes is testcrossed and 1000 progeny are classified as followst b, wx, en 389 b, wx, en 379 bt, wx, cn b, wx, en 67...
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...
The allele se gives Drosophila a sepia body and se+ gives brown,
the wild-type phenotype. The allele ro of a separate gene gives
rough eyes and ro+ gives smooth eyes, the wild-type phenotype. The
allele ss of a third gene gives flies without thorax spines and ss+
gives flies with thorax spines, the wild-type phenotype.
When females heterozygous for each of these genes were
testcrossed with sepia, rough, spineless males, the following
classes and numbers of progeny were obtained:
wild...
In Drosophila, b+ is the allele for normal body color and at the same gene b is the allele for black body color. A second gene controls wing shape. The shape can be either normal (vg+) or vestigial (vg). A cross is made between a homozygous wild type fly and fly with black body and vestigial wings. The offspring were then mated to black body, vestigial winged flies. The following segregation ratio was observed: Phenotype # Observed Wild Type (normal,...
Genetic Linkage The six genes listed below are all located on Chromosome 2 of Drosophila melanogaster. Your goal is to construct a genetic map of Chromosome 2. That is, determine the order of these genes along chromosome 2 and the map distance in centimorgans between each gene. To complete this task, you will be given the results of a variety of two-point test crosses involving these genes. For each test cross you may assume that the female is heterozygous and...
the fruit fly, Drosophila melanogaster, an allele (v) of the gene vermillion gives flies purple eyes and is recessive to the wildtype red eye color (v+). An allele y of the yellow gene, gives flies a yellow body color compared to the dominant brown body color (yt). A heterozygous females for the two different mutations is test-crossed with mutant (i.e., homozygous recessive) males. The phenotypes of the progeny of this cross and their corresponding numbers are given below Yellow body,...
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