In fruit flies, the gene mutations cinnabar (cn, bright red eyes), curved (c, curved wings), and...
In fruit flies, the gene mutations cinnabar (cn, bright red eyes), curved (c, curved wings), and plexus (px, extra wing veins) are linked on the second chromosome. A triple heterozygous female was used in a test cross and the following progeny were counted. What is the distance between the genes for cinnabar and curved?
cinnabar, curved, plexus 296
curved, plexus 63
plexus 119
cinnabar, plexus 10
cinnabar, curved 86
curved 15
wildtype 329
cinnabar 82
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In fruit flies, the gene mutations cinnabar (cn, bright red
eyes), curved (c, curved wings), 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...
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,...
39. You have crossed two fruit fly individuals that have long wings and red eyes -...
39. You have crossed two fruit fly individuals that have long wings and red eyes - the wild-type phenotype. In the progeny, the mutant phenotypes called curved wings and lozenge eyes appear as follows: Females 600 long-wing, red eyes 200 curved wing, red eyes Males 300 long-wing red eyes 300 long-wing, lozenge eyes 100 curved wing, red eyes 100 curved wing, lozenge eyes According to these data, the lozenge eye allele is A. sex-linked dominant B. sex-linked recessive C. autosomal...
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;...
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 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,...
39. You have crossed two fruit fly individuals that have long wings and red eyes - the wild-type phenotype. In the progeny, the mutant phenotypes called curved wings and lozenge eyes appear as follows: Females 600 long-wing, red eyes 200 curved wing, red eyes Males 300 long-wing red eyes 300 long-wing, lozenge eyes 100 curved wing, red eyes 100 curved wing, lozenge eyes According to these data, the lozenge eye allele is A. sex-linked dominant B. sex-linked recessive C. autosomal...
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;...
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