Two pure breeding lines of pepper, one dark green and round, the other light green and...
Two pure breeding lines of pepper, one dark green and round, the other light green and oval, are crossed. The F1 hybrid is dark green and round. The F2s assort in four phenotypic classes in a 9:3:3:1 ratio. Crossing a light green, oval F2 plant to a dark green, round one will produce ____ phenotypic classes:
Homework Answers
The phenotypic classes produced by above mentioned cross are 5
phenotypic classes which is mentioned below with stepwise detailed
answer 
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Two pure breeding lines of pepper, one dark green and round, the
other light green and...
Q. 15, p. 67: Two traits are examined simultaneously in a cross of two pure-breeding pea...
Q. 15, p. 67: Two traits are examined simultaneously in a cross of two pure-breeding pea plant varieties: Pod shape can be either swollen or pinched. Pea color can be either green or yellow. A plant with the traits swollen and green is crossed with a plant with the traits pinched and yellow and a resulting F1 plant is self crossed. A total of 640 F2 progeny are phenotypically categorized as following: 360 swollen yellow, 120 swollen green, 120 pinched...
Two strains of true-breeding, light green corn plants are crossed to each other. All the F_1...
Two strains of true-breeding, light green corn plants are crossed to each other. All the F_1 offspring are dark green. The F1's are crossed among themselves to yield the following F_2 offspring: 313 dark green 193 light green 34 yellow Given the genotype for each the true breeding strain of each color.
Two true breeding strains of peas, one with yellow and round seeds and the other with...
Two true breeding strains of peas, one with yellow and round seeds and the other with green and wrinkled seeds, were crossed. All the F1plants had yellow and round seeds. When these F1 plants were test crossed to the green and wrinkled parental strain, the following offspring were obtained: 30 yellow and round; 20 green and round; 26 yellow and wrinkled; 28 green and wrinkled. A) Please diagram the crosses described above, showing genotypes for each plant, using your own...
An agronomist crossed two true breeding Guava plants. one parent is characterized by being Round,...
An agronomist crossed two true breeding Guava plants. one parent is characterized by being Round, terminal, violet and constricted, while the other expresses the contrasting phenotype of wrinkled, axial, white and full. Assume that the four pairs of contrasting traits are controlled by four genes (RTVC) with each located on a separate chromosome. In the F1 generation, only round, axial, violet and Full were expressed while in the F2 generation all possible combination of these traits were expressed ratios consistent...
A variety of pure-breeding snapdragons produces a tall plant with green seeds (WWSS). A second variety...
A variety of pure-breeding snapdragons produces a tall plant with green seeds (WWSS). A second variety of pure-breeding snapdragons produce a short plant with white seeds (wwss). The two varieties are crossed, and the resulting seeds are collected. All of the seeds are green and when planted, they produce all tall plants (WwSs). These tall F1 plants are allowed to self-fertilize. The results for seeds and plant height in the F2 generations are as follows. What is the Х 2...
A variety of pure-breeding snapdragons produces a tall plant with green seeds (WWSS). A second variety...
A variety of pure-breeding snapdragons produces a tall plant with green seeds (WWSS). A second variety of pure-breeding snapdragons produce a short plant with white seeds (wwss). The two varieties are crossed, and the resulting seeds are collected. All of the seeds are green and when planted, they produce all tall plants (WwSs). These tall F1 plants are allowed to self-fertilize. The results for seeds and plant height in the F2 generations are as follows. What is the Х 2...
3. Yellow seeds is a dominant characteristic in pea plants. Pure breeding pea plants for yellow...
3. Yellow seeds is a dominant characteristic in pea plants. Pure breeding pea plants for yellow seeds were crossed with pure breeding pea plants for green seeds. The F1 generation all exhibited yellow seeds. An F1 plant was crossed to a green plant. Of 800 F2 plants, how many are expected to exhibit green seeds? Show work for full credit.
19. In a cross between a pure-breeding plant that produces tan lentils and a pure-breeding plant that produces gray lentils, all of the FI progeny plants produce brown lentils. When these are all...
19. In a cross between a pure-breeding plant that produces tan lentils and a pure-breeding plant that produces gray lentils, all of the FI progeny plants produce brown lentils. When these are allowed to self-pollinate, the F2 plants are found to produce lentils in the following colors and ratios: F2 progeny: brown gray green tan 57 18 13 a. I poinl) What is the most likely phenotypic ratio being represented by the data above? b. (4 points) Prove (statistically) that...
In class we discussed that the F2 obtained from the two pure breeding lines shown in...
In class we discussed that the F2 obtained from the two pure breeding lines shown in the image below is 3:1, assuming that the Rand Y locus were fully linked. rr yy x @ RR YY Rr Yy RY ry RY Rr Yy X RrYy In 200 words or fewer, tell me... 1) what phenotypic distribution you would expect to obtain in the F2 from a cross between a pure breeding plant with wrinkled yellow peas and one with smooth...
Item 15 Part A In a diploid species of plant, the genes for plant height and...
Item 15 Part A In a diploid species of plant, the genes for plant height and fruit shape are syntenic and separated by 18mu. Allele D produces tall plants and is dominant to d for short plants, and allele R produces round fruit and is dominant to r for oval fruit. If the Fi are crossed to short plants producing oval fruit, what are the expected percentages of progeny phenotypes? Express your answers using two significant figures separated by commas....
Q. 15, p. 67: Two traits are examined simultaneously in a cross of two pure-breeding pea plant varieties: Pod shape can be either swollen or pinched. Pea color can be either green or yellow. A plant with the traits swollen and green is crossed with a plant with the traits pinched and yellow and a resulting F1 plant is self crossed. A total of 640 F2 progeny are phenotypically categorized as following: 360 swollen yellow, 120 swollen green, 120 pinched...
Two strains of true-breeding, light green corn plants are crossed to each other. All the F_1 offspring are dark green. The F1's are crossed among themselves to yield the following F_2 offspring: 313 dark green 193 light green 34 yellow Given the genotype for each the true breeding strain of each color.
3. Yellow seeds is a dominant characteristic in pea plants. Pure breeding pea plants for yellow seeds were crossed with pure breeding pea plants for green seeds. The F1 generation all exhibited yellow seeds. An F1 plant was crossed to a green plant. Of 800 F2 plants, how many are expected to exhibit green seeds? Show work for full credit.
19. In a cross between a pure-breeding plant that produces tan lentils and a pure-breeding plant that produces gray lentils, all of the FI progeny plants produce brown lentils. When these are allowed to self-pollinate, the F2 plants are found to produce lentils in the following colors and ratios: F2 progeny: brown gray green tan 57 18 13 a. I poinl) What is the most likely phenotypic ratio being represented by the data above? b. (4 points) Prove (statistically) that...
In class we discussed that the F2 obtained from the two pure breeding lines shown in the image below is 3:1, assuming that the Rand Y locus were fully linked. rr yy x @ RR YY Rr Yy RY ry RY Rr Yy X RrYy In 200 words or fewer, tell me... 1) what phenotypic distribution you would expect to obtain in the F2 from a cross between a pure breeding plant with wrinkled yellow peas and one with smooth...
Item 15 Part A In a diploid species of plant, the genes for plant height and fruit shape are syntenic and separated by 18mu. Allele D produces tall plants and is dominant to d for short plants, and allele R produces round fruit and is dominant to r for oval fruit. If the Fi are crossed to short plants producing oval fruit, what are the expected percentages of progeny phenotypes? Express your answers using two significant figures separated by commas....
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