Homework Answers
lozenge eye allele is - b) sex-linked recessive - Its mainly seen in Drosophila simulans and here the males are affected with lozenge eyes which is a mutation in the gene on X chromosome and is passed on to males who are homozygous to the gene mutation because they have 1 X and 1 Y chromosome. Male becomes affected when female is the carrier with an unaffected father and if crossed with an affected father and normal female, the resulting daughters will become carriers for this phenotype.
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39. You have crossed two fruit fly individuals that have long wings and red eyes -...
Two phenotypically wild-type Drosophila (with long wings and red eyes) are crossed, and two mutant phenotypes...
Two phenotypically wild-type Drosophila (with long wings and red eyes) are crossed, and two mutant phenotypes (curved wings and lozenge eyes) are seen to segregate among the progeny as follows: Females: 900 long wing, red eyes 300 curved wing, red eyes Males: 450 long wing, red eyes 450 long wing, lozenge eyes 150 curved wing, red eyes 150 curved wing, lozenge eyes propose a genetic model for the two traits and determine the genotypes of the two wild-type parents
A female fruit fly with vermilion eyes and normal wings is crossed to a male with...
A female fruit fly with vermilion eyes and normal wings is crossed to a male with normal red eyes and cut wings. The F1 progeny consist of females with red eyes and normal wings, and males with vermilion eyes and normal wings. When the F1 progeny are interbred, the F2 consists of two types of females vermilion eyes, normal wings (1/2) and red eyes, normal wings (12), and two types of males-vermilion eyes, normal wings (12) and red eyes, cut...
Ruby Eyes, Curved Wings, Males 124 Curved Wings, Males 127 Wild Type, Females 825 Wild Type,...
Ruby Eyes, Curved Wings, Males 124 Curved Wings, Males 127 Wild Type, Females 825 Wild Type, Males 412 Ruby Eyes, Males 418 Curved Wings, Females 261 Conduct a Chi-Square Test. Please state the mode of inheritance for both the curved wing allele and the ruby eyes allele. Also, would we need to do the test separately for males and separately for females? Thanks :) Edit: I'm not sure what genetic ratios to use to get the observed values as I...
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...
If an apterous female fruit fly with wild type (+) red eyes is crossed with a...
If an apterous female fruit fly with wild type (+) red eyes is crossed with a white eyed male with normal wild type wings, what is the resting F1 generation? Please show on a punnet square.Also what is the punnet dihybrid cross for the F2 generation. Note: the recessive white eyed allele is X-linked while the apterous (wingless) recessive allele is NOT x-linked. SO to summarize: male with recessive white eyes and with normal wild type wings and a recessive...
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 red-eyed female who is a carrier of the white eyed allele (normal or wild-type phenotype) mates with a white-eyed male (mutant phenotype), what is the likelihood that their male offspring will have red eyes? Parents:...
I just need help with part 5 e. I dont know how to set up a...
I just need help with part 5 e. I dont know how to set up a punnett square that includes sex chromosomes with wing length as well as eye color. 5. A male fruit fly with red eyes and long wings is mated to a female with brown eyes and short wings. All of the F1 males have red eyes and short wings, and all of the F1 females have red eyes and long wings. The F1s are intercrossed to...
Fruit flies normally have dull red eyes. Some fruit flies have white eyes due to mutation...
Fruit flies normally have dull red eyes. Some fruit flies have white eyes due to 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 white-eyed female (mutant phenotype) mates with a red-eyed male (normal or wild- type phenotype), what is the likelihood that their female offspring will have red eyes? Parents: white-eyed female X red-eyed male Select one: a. O...
could someone help me figure out how to do these pleaseeee A female fruit fly who...
could someone help me figure out how to do these
pleaseeee
A female fruit fly who is heterozygous with the phenotype gray body, red eyes & long wings is crossed with a male who is homozygous recessive (black body, purple eyes, vestigial wings). The observed offspring are shown below: # offspring, body color. eye color. wing length 411 gray red long 61 gray red vestigial 2 gray purple long 30 gray purple vestigial 28 black red long black red vestigial...
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,...
A female fruit fly with vermilion eyes and normal wings is crossed to a male with normal red eyes and cut wings. The F1 progeny consist of females with red eyes and normal wings, and males with vermilion eyes and normal wings. When the F1 progeny are interbred, the F2 consists of two types of females vermilion eyes, normal wings (1/2) and red eyes, normal wings (12), and two types of males-vermilion eyes, normal wings (12) and red eyes, cut...
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...
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 red-eyed female who is a carrier of the white eyed allele (normal or wild-type phenotype) mates with a white-eyed male (mutant phenotype), what is the likelihood that their male offspring will have red eyes? Parents:...
Fruit flies normally have dull red eyes. Some fruit flies have white eyes due to 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 white-eyed female (mutant phenotype) mates with a red-eyed male (normal or wild- type phenotype), what is the likelihood that their female offspring will have red eyes? Parents: white-eyed female X red-eyed male Select one: a. O...
could someone help me figure out how to do these
pleaseeee
A female fruit fly who is heterozygous with the phenotype gray body, red eyes & long wings is crossed with a male who is homozygous recessive (black body, purple eyes, vestigial wings). The observed offspring are shown below: # offspring, body color. eye color. wing length 411 gray red long 61 gray red vestigial 2 gray purple long 30 gray purple vestigial 28 black red long black red vestigial...
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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