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Problem 1 The data set below summarizes progeny (F2 generation) resulting from a cross between two...
(1) A Drosophila male from a true-breeding stock with scabrous eyes and normal bristles was mated...
(1) A Drosophila male from a true-breeding stock with scabrous eyes and normal bristles was mated with a female from a true-breeding stock with normal eyes and javelin bristles. Both scabrous eyes and javelin bristles are autosomal recessive mutant traits. The F1 progeny all had normal eyes and normal bristles. F1 females from this cross were mated with males with both scabrous eyes and javelin bristles. a. Write all the possible phenotypic classes of the progeny that could be produced...
Please explain thoroughly, I have no idea how to solve a problem like this (drawing if...
Please explain thoroughly, I have no idea how to solve a problem
like this (drawing if possible). Also answer will need to be a
decimal.
a gene on chromosome 2 and black body b is recessive to wild type body b. The trait of purple eyes is controlled by In the fruit fly Drosophila melanogaster, the trait of black body is due a gene that is also on chromosome 2 and purple eyes p is recessive to wild type eyes...
Question 4 (1 point) Continue Consider a mating between a single F2 male that is phenotypically...
Question 4 (1 point) Continue Consider a mating between a single F2 male that is phenotypically wild-type (i.e., red eyes and tan body) and a single, phenotypically wild-type F2 female. What is the probability that ALL of the resulting F3 progeny will be true breeding and have red eyes and tan bodies? 1/6 01/12 1/256 1/36 1/8 1/64 1/18 1/32 Question 3 (1 point) Saved In flies (Drosophila), loss of function mutations in the X-linked white gene cause a recessive...
2. You cross a homozygous wildtype female Drosophila (fruit fly) with a male that has a black body (bb). You mate two of the F1 (first generation) flies and examine the F2 (second generation) off...
2. You cross a homozygous wildtype female Drosophila (fruit fly) with a male that has a black body (bb). You mate two of the F1 (first generation) flies and examine the F2 (second generation) offspring. The phenotypes can be seen in the table below. a. Draw a pedigree to show the P, F1, and F2 generations. You only need to draw one fly with each phenotype for the F2 generation. seen in this cross. the expected values for a cross...
Mapping genes with recombination frequencies in Drosophila 1. Suppose you know of three linked loci on...
Mapping genes with recombination frequencies in Drosophila 1. Suppose you know of three linked loci on the Drosophila X chromosome (a, b, and c). Assume that you are starting out with true-breeding stocks that show all three recessive traits and true-breeding stocks that show all three dominant traits. A. If you wanted to do a 3-point test cross to map the three loci, how would you set up the cross? What genotypes do you use for males and females in...
You mate two Fi flies and observe the following results of the F2 generation. Mal Tan body Male. ...
We were unable to transcribe this imageWe were unable to transcribe this imageWe were unable to transcribe this imageYou mate two Fi flies and observe the following results of the F2 generation. Mal Tan body Male. Wid Type Mae Tan body Female: Wild Type Female: Tan body 0 25 0 254 0 2400 Total 120 is. Describe the phenotypes and ratios obtained in the F generation. What does this result tell you about the sex chromosome location of the tan...
Mapping genes with recombination frequencies in Drosopna 1. Suppose you know of three linked loci on...
Mapping genes with recombination frequencies in Drosopna 1. Suppose you know of three linked loci on the Drosophila X chromosome (a, b, and c). Assume that you are starting out with true-breeding stocks that show all three recessive traits and true-breeding stocks that show all three dominant traits. A. If you wanted to do a 3-point test cross to map the three loci, how would you set up the cross? What genotypes do you use for males and females in...
recalling that wild type is tan body, red eyes, straight wings and straight antennae, the data...
recalling that wild type is tan body, red eyes, straight wings and
straight antennae, the data is consistent with the logical
hypothesis that mutant trait-pick a mutant-is -autosomal or
sexlinked-, -dominant or recessive-.
using the f2 geb data and assuming we want to fail to reject the
null hypothesis abd support "logical" hypothesis for this mutant
trait, for the chi square goodness of fit test what is the chi
square statistical value? (value should be to the hundreths)
Here is...
A cross in Drosophila involved the recessive, X-linked genes yellow (y), white (w), and cut (ch....
A cross in Drosophila involved the recessive, X-linked genes yellow (y), white (w), and cut (ch. A yellow-bodied, white-eyed female with normal wings was crossed to a male whose eyes and body were normal but whose wings were cut . The F, females were wild type for all three traits. • The F, males expressed the yellow-body and white-eye traits. The cross was carried to an F2 progeny, and only male offspring were tallied. On the basis of the data...
please show all work 1. Here is a problem which involves a typical two-point test cross...
please show all work
1. Here is a problem which involves a typical two-point test cross for linkage. Heterozygous wild-type fruit flies (gray body, red eye) are mated with with homozygous recessive (bb pp) black body purple eye flies. This cross gives the following results: 191 gray with red eyes (wild type) 185 black with purple eyes 10 gray with purple eyes 14 black with red eyes What is the recombination frequency? Choose one of the solutions below and show...
(1) A Drosophila male from a true-breeding stock with scabrous eyes and normal bristles was mated with a female from a true-breeding stock with normal eyes and javelin bristles. Both scabrous eyes and javelin bristles are autosomal recessive mutant traits. The F1 progeny all had normal eyes and normal bristles. F1 females from this cross were mated with males with both scabrous eyes and javelin bristles. a. Write all the possible phenotypic classes of the progeny that could be produced...
Please explain thoroughly, I have no idea how to solve a problem
like this (drawing if possible). Also answer will need to be a
decimal.
a gene on chromosome 2 and black body b is recessive to wild type body b. The trait of purple eyes is controlled by In the fruit fly Drosophila melanogaster, the trait of black body is due a gene that is also on chromosome 2 and purple eyes p is recessive to wild type eyes...
Question 4 (1 point) Continue Consider a mating between a single F2 male that is phenotypically wild-type (i.e., red eyes and tan body) and a single, phenotypically wild-type F2 female. What is the probability that ALL of the resulting F3 progeny will be true breeding and have red eyes and tan bodies? 1/6 01/12 1/256 1/36 1/8 1/64 1/18 1/32 Question 3 (1 point) Saved In flies (Drosophila), loss of function mutations in the X-linked white gene cause a recessive...
2. You cross a homozygous wildtype female Drosophila (fruit fly) with a male that has a black body (bb). You mate two of the F1 (first generation) flies and examine the F2 (second generation) offspring. The phenotypes can be seen in the table below. a. Draw a pedigree to show the P, F1, and F2 generations. You only need to draw one fly with each phenotype for the F2 generation. seen in this cross. the expected values for a cross...
Mapping genes with recombination frequencies in Drosophila 1. Suppose you know of three linked loci on the Drosophila X chromosome (a, b, and c). Assume that you are starting out with true-breeding stocks that show all three recessive traits and true-breeding stocks that show all three dominant traits. A. If you wanted to do a 3-point test cross to map the three loci, how would you set up the cross? What genotypes do you use for males and females in...
We were unable to transcribe this imageWe were unable to transcribe this imageWe were unable to transcribe this imageYou mate two Fi flies and observe the following results of the F2 generation. Mal Tan body Male. Wid Type Mae Tan body Female: Wild Type Female: Tan body 0 25 0 254 0 2400 Total 120 is. Describe the phenotypes and ratios obtained in the F generation. What does this result tell you about the sex chromosome location of the tan...
Mapping genes with recombination frequencies in Drosopna 1. Suppose you know of three linked loci on the Drosophila X chromosome (a, b, and c). Assume that you are starting out with true-breeding stocks that show all three recessive traits and true-breeding stocks that show all three dominant traits. A. If you wanted to do a 3-point test cross to map the three loci, how would you set up the cross? What genotypes do you use for males and females in...
recalling that wild type is tan body, red eyes, straight wings and
straight antennae, the data is consistent with the logical
hypothesis that mutant trait-pick a mutant-is -autosomal or
sexlinked-, -dominant or recessive-.
using the f2 geb data and assuming we want to fail to reject the
null hypothesis abd support "logical" hypothesis for this mutant
trait, for the chi square goodness of fit test what is the chi
square statistical value? (value should be to the hundreths)
Here is...
A cross in Drosophila involved the recessive, X-linked genes yellow (y), white (w), and cut (ch. A yellow-bodied, white-eyed female with normal wings was crossed to a male whose eyes and body were normal but whose wings were cut . The F, females were wild type for all three traits. • The F, males expressed the yellow-body and white-eye traits. The cross was carried to an F2 progeny, and only male offspring were tallied. On the basis of the data...
please show all work
1. Here is a problem which involves a typical two-point test cross for linkage. Heterozygous wild-type fruit flies (gray body, red eye) are mated with with homozygous recessive (bb pp) black body purple eye flies. This cross gives the following results: 191 gray with red eyes (wild type) 185 black with purple eyes 10 gray with purple eyes 14 black with red eyes What is the recombination frequency? Choose one of the solutions below and show...
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