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7. A cross is made between a true-breeding shaggy Llama strain and a true- breeding short...
46. (7 points) Vanessa has obtained two true-breeding strains of mice, each homozygous for an independently...
46. (7 points) Vanessa has obtained two true-breeding strains of
mice, each homozygous for an
independently discovered recessive mutation that prevents the
formation of hair on the body.
One of the mutant strains is called naked, and the other mutation
strain is called hairless. To
determine whether the two mutations are simply alleles for the same
gene, Vanessa crosses
naked and hairless mice with each other (cross 1). All the
offspring are phenotypically wild-
type.
A) What is the most...
6. In Cross 1, a yellow eyed, long wing fruit fly from a pure breeding strain...
6. In Cross 1, a yellow eyed, long wing fruit fly from a pure breeding strain is mated to a red eye, short wing fruit fly from a pure breeding strain. All of their offspring (F1) had red eyes and long wings. In Cross 2, one of the F1 offspring is mated to a fly with yellow eyes and short wings, and this cross gave the following F2 population: 194 flies with long wings and red eyes, 796 flies with...
A cross was made between two strains of plants that are agriculturally important. One strain was...
A cross was made between two strains of plants that are agriculturally important. One strain was disease-resistant but herbicide-sensitive; the other strain was disease-sensitive but herbicide- resistant. A plant breeder crossed the two plants and then allowed the F1 generation to self-fertilize. The following data were obtained: F1 generation: All offspring were disease sensitive and herbicide resistant. F2 generation: 170 disease sensitive, herbicide resistant 60 disease sensitive, herbicide sensitive 44 disease resistant, herbicide resistant 10 disease resistant, herbicide sensitive Formulate...
Genotype/Phernotypes
Screen Shot 2020-06-07 at 12.51.28 AM.pnga) Convert the expected phenotype ratio into the expected probability for each of the four phenotypes and record them in the table below. (the answer as a value should be between 0 and 1 rounded and to two decimal places.)b) Data set 1 and 2 are the actual data observed from the cross. Calculate the observed probability of the four possible phenotypes for each data set by dividing the number of progeny in each class by the total number of...
618 Short A wild-type trihybrid soybean plant Phenotype Number is crossed to a pure-breeding Pale 648...
618 Short A wild-type trihybrid soybean plant Phenotype Number is crossed to a pure-breeding Pale 648 soybean plant with the recessive Pale, oval 64 phenotypes pale leaf (!), oval seed Pale, short 10 (r), and short height (t). The results Pale, oval, short 102 of the three-point test cross are Oval shown in the table. Traits not listed Oval, short are wild-type. Wild type 98 1. True / False The phenotypes 1630 listed in the table represent the trihybrid's progeny...
3. In a true breeding cross between two orchids, one with pink flowers, and the other...
3. In a true breeding cross between two orchids, one with pink flowers, and the other with blue flowers, results in all pink-flowered orchids in the next generation. These pink-flowered orchids are allowed to self-pollinate and seed is collected. The seed is planted and the when the resulting plants flower, we observe 38 pink, 10 blue and 2 red-flowered plants. Please explain how flower color is determined in this orchid species while providing the genotypes of P, F1, and F2...
B> ;L I: Assume simple dominance B-brown-fur, byellow-fur, L-small-ear, 1-large-ear For the given true-breeding parentals, perform...
B> ;L I: Assume simple dominance B-brown-fur, byellow-fur, L-small-ear, 1-large-ear For the given true-breeding parentals, perform the following: a) Cross the two parental lines and determine the genetype and phenotype of all offspring. (we will call these offspring the FI generation) b) Perform a self-cross of the Fl progeny. You must fill a Punnett square to demonstrate the genotype of all the offspring of this cross, (which we will call the F2 generation) e) Determine ratio of the various F2...
GENETICS: Assume that a cross is made between a heterozygous tall pea plant and a homozygous...
GENETICS:
Assume that a cross is made between a heterozygous tall pea plant and a homozygous short pea plant. Fifty offspring are produced in the following frequency: 30 = tall; 20 = short What frequency of tall and short plants is expected? Compute a Chi-square value associated with the appropriate test of significance. How many degrees of freedom are associated with this test of significance?
A cross has been set up between a true breeding tall plant producing white flowers and...
A cross has been set up between a true breeding tall plant producing white flowers and a true breeding short plant producing red flowers. One can be certain that this type of a cross: will result in a 3 red: 1 white ratio will result in all red F_1 flowers cannot produce progeny because the parental phenotypes are different from one another is a monohybrid cross is a dihybrid cross In humans, free earlobes (E) are dominant to attached earlobes...
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...
46. (7 points) Vanessa has obtained two true-breeding strains of
mice, each homozygous for an
independently discovered recessive mutation that prevents the
formation of hair on the body.
One of the mutant strains is called naked, and the other mutation
strain is called hairless. To
determine whether the two mutations are simply alleles for the same
gene, Vanessa crosses
naked and hairless mice with each other (cross 1). All the
offspring are phenotypically wild-
type.
A) What is the most...
6. In Cross 1, a yellow eyed, long wing fruit fly from a pure breeding strain is mated to a red eye, short wing fruit fly from a pure breeding strain. All of their offspring (F1) had red eyes and long wings. In Cross 2, one of the F1 offspring is mated to a fly with yellow eyes and short wings, and this cross gave the following F2 population: 194 flies with long wings and red eyes, 796 flies with...
A cross was made between two strains of plants that are agriculturally important. One strain was disease-resistant but herbicide-sensitive; the other strain was disease-sensitive but herbicide- resistant. A plant breeder crossed the two plants and then allowed the F1 generation to self-fertilize. The following data were obtained: F1 generation: All offspring were disease sensitive and herbicide resistant. F2 generation: 170 disease sensitive, herbicide resistant 60 disease sensitive, herbicide sensitive 44 disease resistant, herbicide resistant 10 disease resistant, herbicide sensitive Formulate...
618 Short A wild-type trihybrid soybean plant Phenotype Number is crossed to a pure-breeding Pale 648 soybean plant with the recessive Pale, oval 64 phenotypes pale leaf (!), oval seed Pale, short 10 (r), and short height (t). The results Pale, oval, short 102 of the three-point test cross are Oval shown in the table. Traits not listed Oval, short are wild-type. Wild type 98 1. True / False The phenotypes 1630 listed in the table represent the trihybrid's progeny...
3. In a true breeding cross between two orchids, one with pink flowers, and the other with blue flowers, results in all pink-flowered orchids in the next generation. These pink-flowered orchids are allowed to self-pollinate and seed is collected. The seed is planted and the when the resulting plants flower, we observe 38 pink, 10 blue and 2 red-flowered plants. Please explain how flower color is determined in this orchid species while providing the genotypes of P, F1, and F2...
B> ;L I: Assume simple dominance B-brown-fur, byellow-fur, L-small-ear, 1-large-ear For the given true-breeding parentals, perform the following: a) Cross the two parental lines and determine the genetype and phenotype of all offspring. (we will call these offspring the FI generation) b) Perform a self-cross of the Fl progeny. You must fill a Punnett square to demonstrate the genotype of all the offspring of this cross, (which we will call the F2 generation) e) Determine ratio of the various F2...
GENETICS:
Assume that a cross is made between a heterozygous tall pea plant and a homozygous short pea plant. Fifty offspring are produced in the following frequency: 30 = tall; 20 = short What frequency of tall and short plants is expected? Compute a Chi-square value associated with the appropriate test of significance. How many degrees of freedom are associated with this test of significance?
A cross has been set up between a true breeding tall plant producing white flowers and a true breeding short plant producing red flowers. One can be certain that this type of a cross: will result in a 3 red: 1 white ratio will result in all red F_1 flowers cannot produce progeny because the parental phenotypes are different from one another is a monohybrid cross is a dihybrid cross In humans, free earlobes (E) are dominant to attached earlobes...
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...
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