Homework Answers
Answer 3:)
Offspring will be the following:
Gametes of the female parent are from left to right in the top of the table, while gametes of the male parent are from top to the bottom.
|
Gametes |
XW+w+-a++ |
XW+w+Cy++ |
XW+CyO-a++ |
XW+CyOCy++ |
|
XW+w+-a++ |
XW+w+-a++/ XW+w+-a++ |
XW+w+Cy++/ XW+w+-a++ |
XW+CyO-a++/ XW+w+-a++ |
XW+CyOCy++/ XW+w+-a++ |
|
XW+w+Cy++ |
XW+w+-a++/ XW+w+Cy++ |
XW+w+Cy++/ XW+w+Cy++ |
XW+CyO-a++/ XW+w+Cy++ |
XW+CyOCy++/ XW+w+Cy++ |
|
XW+CyO-a++ |
XW+w+-a++/ XW+CyO-a++ |
XW+w+Cy++/ XW+CyO-a++ |
Dead |
Dead |
|
XW+CyOCy++ |
XW+w+-a++/ XW+CyOCy++ |
XW+w+Cy++/ XW+CyOCy++ |
Dead |
Dead |
|
YW+w+-a++ |
XW+w+-a++/ YW+w+-a++ |
XW+w+Cy++/ YW+w+-a++ |
XW+CyO-a++/ YW+w+-a++ |
XW+CyOCy++/ YW+w+-a++ |
|
YW+w+Cy++ |
XW+w+-a++/ YW+w+Cy++ |
XW+w+Cy++/ YW+w+Cy++ |
XW+CyO-a++/ YW+w+Cy++ |
XW+CyOCy++/ YW+w+Cy++ |
|
YW+CyO-a++ |
XW+w+-a++/ YW+CyO-a++ |
XW+w+Cy++/ YW+CyO-a++ |
Dead |
Dead |
|
YW+CyOCy++ |
XW+w+-a++/ YW+CyOCy++ |
XW+w+Cy++/ YW+CyOCy++ |
Dead |
Dead |
CyO or Curly O is a balancer chromosome and is lethal when it is recessive homozygous. Therefore, some individuals are dead.
There is a total of 32 progenies in which 8 are dead. Each individual has a unique genotype. Therefore, the genotype frequency of all genotypes is in 1:1 manner.
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answer and explain please
3. If the following cross was carried out, what are the expected...
That's how I was given the question please answer it A dihybrid cross is carried out...
That's how I was given the question please answer it
A dihybrid cross is carried out on two plants with violet flowers. The progeny are as follows: 191 violet flower plants 54 pink flower plants 81 white flower plants The extention/modification that best accounts for these data is [A]. Be specific! The heterozygote genotype is AaBb (loci are on different chromosomes), and the A locus is associated with the violet and pink phenotypes. Given this information, state the possible genotypes...
Concerning the four corn genes below a) For the following corn genotypes, indicate the expected kernel...
Concerning the four corn genes below
a) For the following corn genotypes, indicate the expected
kernel colors.
1) Cc Rr pp yy
2) CC rr PP yy
3) Cc Rr Pp YY
4) CIc Rr Pp yy
5) CIC Rr pp Yy
b) From the following corn crosses, list all of the expected
genotypes, corresponding phenotypes, and the ratios (phenotypic and
genotypic) that you would expect among the progeny. List only the
genes that are segregating, not the genes that...
Please answer all :) 10 Prediction Sheet alpha gametes (F) RT rT ce rt al rT...
Please answer all :)
10 Prediction Sheet alpha gametes (F) RT rT ce rt al rT a3 Rt a4 rt Questions 1. Explain, using genetic symbols, the F cross that you are performing. Example A cross between a dominant hormorygous and a dominant heterozygous would be expressed as PPDD x Ppod 2. What does R represent? What does r represent? What does T represent? What does t represent? 3. Which are the dominant traits? Which are the recessive traits Bacterial...
The cross of CcDd ⋅ CcDd results in a 12:3:1 phenotypic ratio. What are the expected...
The cross of CcDd ⋅ CcDd results in a 12:3:1 phenotypic ratio. What are the expected phenotypic ratios when a CcDd ⋅ ccdd testcross is made involving the same two genes? (They are assorting independently.)
The following cross was carried out: BBdd x bbDD and all of the F1 offspring had...
The following cross was carried out: BBdd x bbDD and all of the F1 offspring had the genotype BbDd. A) What are the possible gametes that these F1 offspring could produce? Put a circle around each type of gamete to make clear the alleles present in that gamete. B) If one of these F1 offspring is subjected to a testcross, which offspring genotypes would be considered recombinant and which offspring genotypes would be considered non-recombinant (parental). Make sure to indicate...
PLEASE ONLY ANSWER QUESTION 2 - Question 1 is included for background information required to answer...
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7 and 8 7. What genotypes are expected in the offspring from mating a black Lab...
7 and 8
7. What genotypes are expected in the offspring from mating a black Lab heterozygous for both coat color and normal eyes with a chocolate Lab that is blind from PRA? (Use the FOIL method to determine the gametes) The cross is BbNnx bbnn. After determining the gametes formed by each parent, complete a Punnett square showing the offspring 8. In cattle, red (R) is incompletely dominant over white (r), resulting in three phenotypes: red, roan, and white....
3. Expected Progeny from a Cross What progeny and ratios do you expect if you crossed the strain above matA; cen-H3-rfp-hph; his-3 X mata; son-1-gfp -bar? How could you select for strains expressing...
3. Expected Progeny from a Cross What progeny and ratios do you expect if you crossed the strain above matA; cen-H3-rfp-hph; his-3 X mata; son-1-gfp -bar? How could you select for strains expressing both cen-H3-rfp and son-1-gfp?
3. Expected Progeny from a Cross What progeny and ratios do you expect if you crossed the strain above matA; cen-H3-rfp-hph; his-3 X mata; son-1-gfp -bar? How could you select for strains expressing both cen-H3-rfp and son-1-gfp?
The results for the F2 progeny are shown for a F1 cross using the two X-linked...
The results for the F2 progeny are shown for a F1 cross using
the two X-linked markers:
w+ and m+.
As shown in the figure, the F1 cross is between the following
two parents:
- a phenotypically wild-type (red eye, full wing), heterozygous
female: w+m+/wm
- a double mutant male (white eye, miniature wing):
wm/Y
Answer the following questions:
1) In the F1 cross, can you infer the genotype for the phenotype
in the female? Why or why not?
2)...
please answer the question and explain the concept If you scored 28 females and 22 males...
please answer the question and explain the concept
If you scored 28 females and 22 males Drosophila flys, populate the table below in the appropriate phenotype area. Phenotype of No. of Males No. of Total F1 Progeny Females light brown, unforked, crossveins yellow, forked crossveinless other (if any) Total If the genetic cross was set up correctly, show the phenotype and genotype of the flies that you would expect to see. Students sometimes see F1 Offspring with unexpected phenotypes. What...
That's how I was given the question please answer it
A dihybrid cross is carried out on two plants with violet flowers. The progeny are as follows: 191 violet flower plants 54 pink flower plants 81 white flower plants The extention/modification that best accounts for these data is [A]. Be specific! The heterozygote genotype is AaBb (loci are on different chromosomes), and the A locus is associated with the violet and pink phenotypes. Given this information, state the possible genotypes...
Concerning the four corn genes below
a) For the following corn genotypes, indicate the expected
kernel colors.
1) Cc Rr pp yy
2) CC rr PP yy
3) Cc Rr Pp YY
4) CIc Rr Pp yy
5) CIC Rr pp Yy
b) From the following corn crosses, list all of the expected
genotypes, corresponding phenotypes, and the ratios (phenotypic and
genotypic) that you would expect among the progeny. List only the
genes that are segregating, not the genes that...
Please answer all :)
10 Prediction Sheet alpha gametes (F) RT rT ce rt al rT a3 Rt a4 rt Questions 1. Explain, using genetic symbols, the F cross that you are performing. Example A cross between a dominant hormorygous and a dominant heterozygous would be expressed as PPDD x Ppod 2. What does R represent? What does r represent? What does T represent? What does t represent? 3. Which are the dominant traits? Which are the recessive traits Bacterial...
7 and 8
7. What genotypes are expected in the offspring from mating a black Lab heterozygous for both coat color and normal eyes with a chocolate Lab that is blind from PRA? (Use the FOIL method to determine the gametes) The cross is BbNnx bbnn. After determining the gametes formed by each parent, complete a Punnett square showing the offspring 8. In cattle, red (R) is incompletely dominant over white (r), resulting in three phenotypes: red, roan, and white....
3. Expected Progeny from a Cross What progeny and ratios do you expect if you crossed the strain above matA; cen-H3-rfp-hph; his-3 X mata; son-1-gfp -bar? How could you select for strains expressing both cen-H3-rfp and son-1-gfp?
3. Expected Progeny from a Cross What progeny and ratios do you expect if you crossed the strain above matA; cen-H3-rfp-hph; his-3 X mata; son-1-gfp -bar? How could you select for strains expressing both cen-H3-rfp and son-1-gfp?
The results for the F2 progeny are shown for a F1 cross using
the two X-linked markers:
w+ and m+.
As shown in the figure, the F1 cross is between the following
two parents:
- a phenotypically wild-type (red eye, full wing), heterozygous
female: w+m+/wm
- a double mutant male (white eye, miniature wing):
wm/Y
Answer the following questions:
1) In the F1 cross, can you infer the genotype for the phenotype
in the female? Why or why not?
2)...
please answer the question and explain the concept
If you scored 28 females and 22 males Drosophila flys, populate the table below in the appropriate phenotype area. Phenotype of No. of Males No. of Total F1 Progeny Females light brown, unforked, crossveins yellow, forked crossveinless other (if any) Total If the genetic cross was set up correctly, show the phenotype and genotype of the flies that you would expect to see. Students sometimes see F1 Offspring with unexpected phenotypes. What...
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