assume that a cross is made between AaBb and aabb plants and all of the offspring...
assume that a cross is made between AaBb and aabb plants and all of the offspring are either AaBb or aabb. these results are consistent with the following circumstances:
a. absolute linkage in cis for genes A and B,
b. absolute linkage in trans for genes A and B
c. independent assortment
d. linkage with recombination for genes A and B
e. sex linkage
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assume that a cross is made between AaBb and aabb
plants and all of the offspring...
Which of the following are not mechanisms that regulate transcription? How/Why is E the answer?? A)...
Which of the following are not mechanisms that regulate transcription? How/Why is E the answer?? A) The stimulation of a signal transdusction pathway by a hormone that ultimately causes the activation of very specific transcription factors. B) The formation of a protein bridge between a silencer and the promoter complex. C) The formation of a protein bridge between an enhancer and the promoter complex. D) The availability of transcription factors that bind to the promoter. E) The addition of the...
You test-cross plants you suspect to be AaBb dihybrids and look at 100 offspring, with the...
You test-cross plants you suspect to be AaBb dihybrids and look at 100 offspring, with the following results: Phenotype AB 22 Ab 28 ab 29 ab 21100 total (for the purposes of this quiz, do not combine parental and recombinant classes) You wish to test the hypothesis that the data are best explained as a dihybrid test cross AaBb x aabb. 1)For a chi-square test, what expected number would you use for the aB class? 2)Calculate the chi-square value for...
12. Imagine a cross between AaBb x aabb produces progeny in the following proportions: | AaBb...
12. Imagine a cross between AaBb x aabb produces progeny in the following proportions: | AaBb 31 aabb | 33. Aabb | 12 aaBb] 13 Based on this information, are genes A and B linked, or do they assort independently (Chi-square test)? IF linked, what is the genetic distance between A and B? Are gene A and B in coupling (cis) or repulsion (trans) conformation in the AaBb parent? How can you tell?
по пре сосе. 1. A cross is made between two pea plants with the genotypes given...
по пре сосе. 1. A cross is made between two pea plants with the genotypes given below. ASSUME INDEPENDENT ASSORTMENT of all four genes. (2 points) Aa Bb Dd ee X Aa Bb dd EE a) What is the probability of obtaining a plant that is heterozygous for all four genes? b) What is the probability of obtaining a plant with the dominant phenotype for all four genes.
please help with these 3 questions. thank you! Name: A cross between individuals with genotypes AaBb...
please help with these 3 questions. thank you!
Name: A cross between individuals with genotypes AaBb x aabh produces the following offspring. Genotype Number of offspring AaBb Aabb aaBb aabb a. Do the evidence suggest that the a and b loci are linked? Explain your answer. b. What is the map distance between a and b? (Show your work.) c. Are the A and B loci in coupling or repulsion in the heterozygous parent? 4. You perform a testcross between...
QUESTION 28 If genes on the same chromosome behave as if they are independently assorting, they...
QUESTION 28 If genes on the same chromosome behave as if they are independently assorting, they must be very close to 3.3 poin one another tortrom QUESTION 29 In Thomas Hunt Morgan's F1 test crosses, what percentage of parental-type offspring were produced in the F2 generation? 89% 3.3 points 16% 25% 50% QUESTION 30 3.3 points A cross made between a plant that is Aalb and one that is aabb results in progeny that it into approximately equal numbers of...
In a test-cross between an individual who is AaBb, and an individual who is aabb, the...
In a test-cross between an individual who is AaBb, and an individual who is aabb, the following types and numbers of offspring were obtained: 22 AaBb 67 Aabb 70 aaBb 21 aabb Which of the following is true? a. The A and B genes are linked to each other, and are 43 cM apart. b. The recombinant gametes from the double heterozygote are Ab and aB c. The A and B alleles in the AaBb parent are present in repulsion d....
What is the genotypic and phenotypic ratio in the offspring produced by the cross AABb x...
What is the genotypic and phenotypic ratio in the offspring produced by the cross AABb x Aabb if A is green color, a - yellow; B- tall plants. b -short plant? Assume complete dominance for the trait.
explain Question 4 5/5 pts Determine the outcome expected from a two point test cross (AaBb...
explain
Question 4 5/5 pts Determine the outcome expected from a two point test cross (AaBb x aabb) under the given conditions. Correct! independent assortment 25 AB, 25 Ab, 25 aB, 25 ab , Correct! Completely linked genes with the dihybrid in trans O AB, 50 Ab, 50 aB, 0 ab Correct! Completely linked genes with the dihybrid in cis 50 AB, 0 Ab, 0 aB, 50 ab Correct! Linked, 32 map units apart, dihybrid in trans 16 AB, 34...
Assuming the genes sort independently, what is the likelihood of an offspring with genotype AABb from...
Assuming the genes sort independently, what is the likelihood of an offspring with genotype AABb from the following cross? parents (cross): AaBb X AABB Select one: O a. 1/8 b. 1/4 C. 3/4 d. 2/3 e. 1/2 Check
You test-cross plants you suspect to be AaBb dihybrids and look at 100 offspring, with the following results: Phenotype AB 22 Ab 28 ab 29 ab 21100 total (for the purposes of this quiz, do not combine parental and recombinant classes) You wish to test the hypothesis that the data are best explained as a dihybrid test cross AaBb x aabb. 1)For a chi-square test, what expected number would you use for the aB class? 2)Calculate the chi-square value for...
12. Imagine a cross between AaBb x aabb produces progeny in the following proportions: | AaBb 31 aabb | 33. Aabb | 12 aaBb] 13 Based on this information, are genes A and B linked, or do they assort independently (Chi-square test)? IF linked, what is the genetic distance between A and B? Are gene A and B in coupling (cis) or repulsion (trans) conformation in the AaBb parent? How can you tell?
по пре сосе. 1. A cross is made between two pea plants with the genotypes given below. ASSUME INDEPENDENT ASSORTMENT of all four genes. (2 points) Aa Bb Dd ee X Aa Bb dd EE a) What is the probability of obtaining a plant that is heterozygous for all four genes? b) What is the probability of obtaining a plant with the dominant phenotype for all four genes.
please help with these 3 questions. thank you!
Name: A cross between individuals with genotypes AaBb x aabh produces the following offspring. Genotype Number of offspring AaBb Aabb aaBb aabb a. Do the evidence suggest that the a and b loci are linked? Explain your answer. b. What is the map distance between a and b? (Show your work.) c. Are the A and B loci in coupling or repulsion in the heterozygous parent? 4. You perform a testcross between...
QUESTION 28 If genes on the same chromosome behave as if they are independently assorting, they must be very close to 3.3 poin one another tortrom QUESTION 29 In Thomas Hunt Morgan's F1 test crosses, what percentage of parental-type offspring were produced in the F2 generation? 89% 3.3 points 16% 25% 50% QUESTION 30 3.3 points A cross made between a plant that is Aalb and one that is aabb results in progeny that it into approximately equal numbers of...
explain
Question 4 5/5 pts Determine the outcome expected from a two point test cross (AaBb x aabb) under the given conditions. Correct! independent assortment 25 AB, 25 Ab, 25 aB, 25 ab , Correct! Completely linked genes with the dihybrid in trans O AB, 50 Ab, 50 aB, 0 ab Correct! Completely linked genes with the dihybrid in cis 50 AB, 0 Ab, 0 aB, 50 ab Correct! Linked, 32 map units apart, dihybrid in trans 16 AB, 34...
Assuming the genes sort independently, what is the likelihood of an offspring with genotype AABb from the following cross? parents (cross): AaBb X AABB Select one: O a. 1/8 b. 1/4 C. 3/4 d. 2/3 e. 1/2 Check
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