A female Drosophila melanogaster is crossed with a male. The male's phenotype and genotype are unknown,...
A female Drosophila melanogaster is crossed with a male. The male's phenotype and genotype are unknown, while female's phenotype is known to be red eyes, straight wings, shaved bristles, and an ebony body. So, then the female's genotype should be Xw+Xw ; c+ c; ee; sdsd. Given that red eyes are dominant to white eyes, straight wings are dominant to curved wings, long bristles are dominant to shaven bristles, and a gray body is dominant to an ebony, draw a forked-line diagram of the F1 generation given that the offspring are:
3/8 FEMALES with red eyes, straight wings, shaved bristles, and gray bodied.
1/8 FEMALES with red eyes, curved wings, shaved bristles, and gray bodied.
3/16 MALES with red eyes, straight wings, shaved bristles, and gray bodied.
1/16 MALES with red eyes, curved wings, shaved bristles, and gray bodied.
3/16 MALES with white eyes, straight wings, shaved bristles, and gray bodied.
1/16 MALES with white eyes, curved wings, shaved bristles, and gray bodied.
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A female Drosophila melanogaster is crossed with a
male. The male's phenotype and genotype are unknown,...
based on the information answer question 5 and 6 please help 5th time posting this question...
based on the information answer question 5 and 6 please help
5th time posting this question no one was able to help
A male Drosophila fruit fly has the genotype X**/Y; Where X / Y X" / Y or X" / X- or X / X red eyes →white eyes c/c;e / e' ; sv / sv e' /_ → gray body e /e → ebony body c' crc straight wings curved wings sv / sv / sv long bristles...
6. Using the same traits, in a cross between a red, straight, ebony, shaven female, and...
6. Using the same traits, in a cross between a red, straight,
ebony, shaven female, and a completely unknown male, the offspring
are:
3/8 red straight gray shaven females
1/8 red curved gray shaven females
3/16 red straight gray shaven males
1/16 red curved gray shaven males
3/16 white straight gray shaven males
1/16 white curved gray shaven males
In the space below, I've started a cross outline for you. you
can mark this outline up so think through the...
Obj. 37. In Drosophila forked (F) bristles is X-linked and dominant. If a virgin female homozygous...
Obj. 37. In Drosophila forked (F) bristles is X-linked and dominant. If a virgin female homozygous for forked s crossed with a wild-type male predict; the proportions/ratios of genotypes and phenotypes among the F1 and F2 as the sex and bristle trait. F: Females Phenotype F1 Males Phenotype Genotype Genotype F2 Females Phenotype = F2 Males Phenotype Genotype = Genotype =
In Drosophila melanogaster, the recessive X-linked alleles white (w), miniature (m) and forked (f) give the...
In Drosophila melanogaster, the recessive X-linked alleles white (w), miniature (m) and forked (f) give the phenotypes white eyes, miniature wings and forked brushes. The recombination between the w and m loci is 35%, and between the m and f loci, 20%. Wild-type males were crossed with females from a strain that was homozygous recessive for the three alleles, then the F1 flies were sibling mated. What phenotype frequencies are expected in F2 a) if there is no interference, and...
in the fruit fly Drosophila, a rubimentary Wong called 4. (2 points) In the fruit fly...
in the fruit fly Drosophila, a rubimentary Wong called
4. (2 points) In the fruit fly Drosophila, a rudimentary wing called "vestigial" and dark body color called "ebony" are inherited at independently assorting genes and are recessive to their dominant wild-type counterparts, full wings and gray body color. Wild-type males and females heterozygous for both traits are crossed, and 1800 progeny are are expected to be found with each possible phenotype? produced. How many progeny flies Full wing dominant Grol...
can you please help me with number 4? An example of linked genes in Drosophila The...
can you please help me with number 4?
An example of linked genes in Drosophila The genes for wing shape and body color are linked (they are on the same chromosome) Drosophila and linked genes In the example shown left, wild type alleles are dominant and are given an upper case symbol of the mutant phenotype (Cu or Eb). This notation used for Drosophila departs from the convention of using the dominant gene to provide the symbol. This is necessary...
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...
Which of the following is an example of epistasis? Select one: a. Homozygous recessive Drosophila females...
Which of the following is an example of epistasis? Select one: a. Homozygous recessive Drosophila females for gene w have white eyes. When crossed to red eye males, all the females have red eyes and all the males have white eyes. b. A man with blood type A marries a woman who is type B. Their firstborn's blood type is 0 C. Smurfberry bushes that are Homozygous dominant for gene S produce tall plants. Homozygous recessive plants show a dwarf...
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. Three genes and their mutations are found on the third chromosome in fruit fly Drosophila...
2. Three genes and their mutations are found on the third chromosome in fruit fly Drosophila melanogaster. Of these three genes, scarlet eyes (st) are recessive to red eyes (st"), cbony body color (eb) is recessive to gray body color (eb"), and spineless (ss), the st presence of small bristles, is recessive to normal bristles (ss). You eb SS were given a heterozygous fly (st'st eb'eb ss'ss) and were asked to eb ss design an experiment to map the distance...
based on the information answer question 5 and 6 please help
5th time posting this question no one was able to help
A male Drosophila fruit fly has the genotype X**/Y; Where X / Y X" / Y or X" / X- or X / X red eyes →white eyes c/c;e / e' ; sv / sv e' /_ → gray body e /e → ebony body c' crc straight wings curved wings sv / sv / sv long bristles...
6. Using the same traits, in a cross between a red, straight,
ebony, shaven female, and a completely unknown male, the offspring
are:
3/8 red straight gray shaven females
1/8 red curved gray shaven females
3/16 red straight gray shaven males
1/16 red curved gray shaven males
3/16 white straight gray shaven males
1/16 white curved gray shaven males
In the space below, I've started a cross outline for you. you
can mark this outline up so think through the...
Obj. 37. In Drosophila forked (F) bristles is X-linked and dominant. If a virgin female homozygous for forked s crossed with a wild-type male predict; the proportions/ratios of genotypes and phenotypes among the F1 and F2 as the sex and bristle trait. F: Females Phenotype F1 Males Phenotype Genotype Genotype F2 Females Phenotype = F2 Males Phenotype Genotype = Genotype =
in the fruit fly Drosophila, a rubimentary Wong called
4. (2 points) In the fruit fly Drosophila, a rudimentary wing called "vestigial" and dark body color called "ebony" are inherited at independently assorting genes and are recessive to their dominant wild-type counterparts, full wings and gray body color. Wild-type males and females heterozygous for both traits are crossed, and 1800 progeny are are expected to be found with each possible phenotype? produced. How many progeny flies Full wing dominant Grol...
can you please help me with number 4?
An example of linked genes in Drosophila The genes for wing shape and body color are linked (they are on the same chromosome) Drosophila and linked genes In the example shown left, wild type alleles are dominant and are given an upper case symbol of the mutant phenotype (Cu or Eb). This notation used for Drosophila departs from the convention of using the dominant gene to provide the symbol. This is necessary...
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...
Which of the following is an example of epistasis? Select one: a. Homozygous recessive Drosophila females for gene w have white eyes. When crossed to red eye males, all the females have red eyes and all the males have white eyes. b. A man with blood type A marries a woman who is type B. Their firstborn's blood type is 0 C. Smurfberry bushes that are Homozygous dominant for gene S produce tall plants. Homozygous recessive plants show a dwarf...
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. Three genes and their mutations are found on the third chromosome in fruit fly Drosophila melanogaster. Of these three genes, scarlet eyes (st) are recessive to red eyes (st"), cbony body color (eb) is recessive to gray body color (eb"), and spineless (ss), the st presence of small bristles, is recessive to normal bristles (ss). You eb SS were given a heterozygous fly (st'st eb'eb ss'ss) and were asked to eb ss design an experiment to map the distance...
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