Homework Answers
Thus 4 offsprings are homozygotes. 
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explain why a is the answer
8. In the dihybrid cross AaBb x aabb, how many...
11)_1 4 11) In a monohybrid cross AA x aa, what proportion of homozygotes is expected...
11)_1 4 11) In a monohybrid cross AA x aa, what proportion of homozygotes is expected among the F2 offspring? А А (A) 1/4 B) None are homozygotes. C) All are homozygotes. D) 3/4 E) 1/2 Au A a a Au 12) In a dihybrid cross AA bb x aa BB, what proportion of the F2 offspring is expected to be. 12) – homozygous for at least one gene? A) 1/4 B) 1/2 C) 3/4 D) All are homozygotes. É)...
A dihybrid test-cross, involving parents with the phased genotypes of Ab/aB and ab/ab, produced 100 offspring....
A dihybrid test-cross, involving parents with the phased genotypes of Ab/aB and ab/ab, produced 100 offspring. Assuming that genes A and B are located on one or more autosomes and 10 of the offspring inherited the aabb genotype. What is the most likely genetic distance between genes A and B? Answer= 20cM Please Explain Why! Thanks
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...
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...
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...
For aaBb? What are the 6. In the cross AaBb X aaBb, what are the gametes...
For aaBb? What are the 6. In the cross AaBb X aaBb, what are the gametes for AaBb? genotypic (not phenotypic) results for this cross? 7. What is the genotype of a white-eyed male fruit fly? 8. Suppose you count 40 green tobacco seedlings and 2 white tobacco seedlings in one agar plate. Do your results show that both parent plants were heterozygous for the color allele? Explain your answer. 9. Suppose you count tobacco seedlings in six agar plates,...
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. 1/4 O b.o c. 1/8 d. 3/4 e. 1/2 Check
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...
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
11)_1 4 11) In a monohybrid cross AA x aa, what proportion of homozygotes is expected among the F2 offspring? А А (A) 1/4 B) None are homozygotes. C) All are homozygotes. D) 3/4 E) 1/2 Au A a a Au 12) In a dihybrid cross AA bb x aa BB, what proportion of the F2 offspring is expected to be. 12) – homozygous for at least one gene? A) 1/4 B) 1/2 C) 3/4 D) All are homozygotes. É)...
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...
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...
For aaBb? What are the 6. In the cross AaBb X aaBb, what are the gametes for AaBb? genotypic (not phenotypic) results for this cross? 7. What is the genotype of a white-eyed male fruit fly? 8. Suppose you count 40 green tobacco seedlings and 2 white tobacco seedlings in one agar plate. Do your results show that both parent plants were heterozygous for the color allele? Explain your answer. 9. Suppose you count tobacco seedlings in six agar plates,...
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. 1/4 O b.o c. 1/8 d. 3/4 e. 1/2 Check
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...
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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