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Question 4 (1 point) Continue Consider a mating between a single F2 male that is phenotypically...
In Drosophila, the X-linked recessive mutation vermillion (v) causes bright red eyes, in contrast to the...
In Drosophila, the X-linked recessive mutation vermillion (v) causes bright red eyes, in contrast to the brick-red eyes caused by the wild-type allele. A separate autosomal recessive mutation, brown (bw), causes flies to have brown eyes. Flies carrying both mutations have no eye pigmentation and are white-eyed. Determine the F1 and F2 phenotypic ratios for each sex from the following crosses: (a) brown females X vermillion males (b) white-eyed females X wild-type males
In Drosophila, the autosomal recessive brown eye color mutation (b) displays interactions with both the X-linked...
In Drosophila, the autosomal recessive brown eye color mutation
(b) displays interactions with both the X-linked recessive
vermilion mutation (v) and the autosomal recessive scarlet (s)
mutation. Flies homozygous for brown and simultaneously hemizygous
or homozygous for vermilion have white eyes. Flies simultaneously
homozygous for both the brown and scarlet mutations also have white
eyes. Flies that are wildtype at all 3 loci have wildtype eye
color. Flies that are homozygous or hemizygous for the recessive
mutant at only one...
genetics: sorted independently and completely linked Analyze the following fruit fly cross. In this cross there...
genetics: sorted independently and completely linked
Analyze the following fruit fly cross. In this cross there are two autosomal traits that are influenced by two distinct genes and the F2 generation came from crossing an F1 male with an F1 female. P: true breeding grey eyed; brown bodied males x true breeding red eyed; black bodied females F1: all offspring are red eyed; brown bodied F2: ? When the Fy flies are allowed to self cross, what percentage of F2...
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...
can someone please explain this answer through punnett squares? Having troubles understanding the process. 141 In...
can someone please explain this answer through punnett
squares? Having troubles understanding the process.
141 In Drosophila, white eyes (w) and yellow body (y) are both recessive X-linked mutations. The wild type alleles, w+ and y+, control red eyes and dark body color, respectively. If a homozygous yellow body, red-eyed female is crossed with a dark body, white-eyed male, and F1 progeny are interbred, what will the phenotypes and ratios of the F1 and F2 be? osla 900 Answer: F1-females:...
genetics Analyze the following fruit fly cross. In this cross there are two autosomal traits that...
genetics
Analyze the following fruit fly cross. In this cross there are two autosomal traits that are influenced by two distinct genes and the F2 generation came from crossing an F1 male with an F1 female. P: true breeding grey eyed; brown bodied males x true breeding red eyed; black bodied females F1: all offspring are red eyed; brown bodied F2: ? When the F1 flies are allowed to self cross, what percentage of F2 flies will have both brown...
Fruit flies normally have dull red eyes. Some fruit flies have white eyes due to a...
Fruit flies normally have dull red eyes. Some fruit flies have white eyes due to a mutation in a gene on the X-chromosome. The white eyed phenotype is X-linked recessive. The sex chromosomes in fruit flies are: females, normally XX; males, normally XY. If a true breeding red-eyed female (normal or wild-type phenotype) mates with a white- eyed male (mutant phenotype), what is the likelihood that their male offspring will have white eyes? Parents: red-eyed female X white-eyed male Select...
Problem 1 The data set below summarizes progeny (F2 generation) resulting from a cross between two...
Problem 1 The data set below summarizes progeny (F2 generation) resulting from a cross between two F individuals, originating from a cross of two true breeding Drosophila strains (P generation), which differ with respect to two traits. Produce a hypothesis about the mode of inheritance of the genes and analyze whether the data fits your hypothesis by using the Chi-square test A1 wild type, females 334 purple eyes, females 98 purple eyes, tan body, males 47 wild type, males 161...
In Drosophila, the X-linked recessive mutation vermilion (XV) causes bright red eyes, in contrast to the...
In Drosophila, the X-linked recessive mutation vermilion (XV) causes bright red eyes, in contrast to the brick-red eyes of wild type (X+). Part A separate autosomal recessive mutation (br), causes the eyes to be brown. Predict the F1 results of the following cross: normal females x white males. (Assume that the parents are homozygous.) Flies carrying both mutations lose all pigmentation and are white-eyed. Label the diagram by dragging the labels to the appropriate targets. Note: not all labels will...
(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...
In Drosophila, the autosomal recessive brown eye color mutation
(b) displays interactions with both the X-linked recessive
vermilion mutation (v) and the autosomal recessive scarlet (s)
mutation. Flies homozygous for brown and simultaneously hemizygous
or homozygous for vermilion have white eyes. Flies simultaneously
homozygous for both the brown and scarlet mutations also have white
eyes. Flies that are wildtype at all 3 loci have wildtype eye
color. Flies that are homozygous or hemizygous for the recessive
mutant at only one...
genetics: sorted independently and completely linked
Analyze the following fruit fly cross. In this cross there are two autosomal traits that are influenced by two distinct genes and the F2 generation came from crossing an F1 male with an F1 female. P: true breeding grey eyed; brown bodied males x true breeding red eyed; black bodied females F1: all offspring are red eyed; brown bodied F2: ? When the Fy flies are allowed to self cross, what percentage of F2...
can someone please explain this answer through punnett
squares? Having troubles understanding the process.
141 In Drosophila, white eyes (w) and yellow body (y) are both recessive X-linked mutations. The wild type alleles, w+ and y+, control red eyes and dark body color, respectively. If a homozygous yellow body, red-eyed female is crossed with a dark body, white-eyed male, and F1 progeny are interbred, what will the phenotypes and ratios of the F1 and F2 be? osla 900 Answer: F1-females:...
genetics
Analyze the following fruit fly cross. In this cross there are two autosomal traits that are influenced by two distinct genes and the F2 generation came from crossing an F1 male with an F1 female. P: true breeding grey eyed; brown bodied males x true breeding red eyed; black bodied females F1: all offspring are red eyed; brown bodied F2: ? When the F1 flies are allowed to self cross, what percentage of F2 flies will have both brown...
Fruit flies normally have dull red eyes. Some fruit flies have white eyes due to a mutation in a gene on the X-chromosome. The white eyed phenotype is X-linked recessive. The sex chromosomes in fruit flies are: females, normally XX; males, normally XY. If a true breeding red-eyed female (normal or wild-type phenotype) mates with a white- eyed male (mutant phenotype), what is the likelihood that their male offspring will have white eyes? Parents: red-eyed female X white-eyed male Select...
Problem 1 The data set below summarizes progeny (F2 generation) resulting from a cross between two F individuals, originating from a cross of two true breeding Drosophila strains (P generation), which differ with respect to two traits. Produce a hypothesis about the mode of inheritance of the genes and analyze whether the data fits your hypothesis by using the Chi-square test A1 wild type, females 334 purple eyes, females 98 purple eyes, tan body, males 47 wild type, males 161...
In Drosophila, the X-linked recessive mutation vermilion (XV) causes bright red eyes, in contrast to the brick-red eyes of wild type (X+). Part A separate autosomal recessive mutation (br), causes the eyes to be brown. Predict the F1 results of the following cross: normal females x white males. (Assume that the parents are homozygous.) Flies carrying both mutations lose all pigmentation and are white-eyed. Label the diagram by dragging the labels to the appropriate targets. Note: not all labels will...
(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...
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