Homework Answers
ANSWER :-
There are 7 gene loci indicated and the distance between the locus A and locus G is around 105 map units which corresponds to a recombination frequency of 105 % indicating maximum chances of crossing over event to happen.
The gene loci are located further apart from each other which in turn enhances the possibility of crossing over.
9. The genetic map shown here depicts the locations of five single-nucleotide polymorphisms (SNPs, designated a-e)...
9. The genetic map shown here depicts the locations of five single-nucleotide polymorphisms (SNPs, designated a-e) on an autosome and the frequency of recombination in percent) between adjacent SNPs. The region includes a genetic risk factor Q for a disease, which may be located in region M, H, K, or L along the chromosome. 12 low We Third dition 2019 Macmilan Learning percent recombination a-Q equals 20% percent recombination b-Q equals 16% percent recombination c-Q equals 4% percent recombination d-Q...
Question #1: Thomas Hunt Morgan used genetic mapping to map out genes on the chromosomes. He...
Question #1: Thomas Hunt Morgan used genetic mapping to map out genes on the chromosomes. He found that alleles that are not genetically linked, can still be on the same chromosome. Alleles A and Z are not genetically linked (recombination frequency is 50%) If the recombination frequency between different alleles are: AZ: 50% G-Z: 50% A-G: 8% T-D: 24% G-T: 39% TZ: 50% A-T: 47% DZ: 25% A. Are A and Z on the same chromosome? Why or why not?...
Here is a genetic map of four loci on the same chromosome; what is the probability...
Here is a genetic map of four loci on the same chromosome; what is the probability of a triple crossover between them? A---2cM—B—3.5cM—C—1cM-----4.5cM---D a. 0.315 b. 0.00315 c. 3.15 x 10-3 d. 3.15 x 10-7 e. None of the above
Question 1 (10 pts). Ilne genetic linkage among 3 gene loci in norses is being stuaiea....
Question 1 (10 pts). Ilne genetic linkage among 3 gene loci in norses is being stuaiea. ine loci are part of autosomal chromosomes and they MIGHT be on the same pair of homologous chromosomes. There are two alleles at each locus. At the coat color locus, allele B is for black, and b is for white. At the height locus, allele H is for tall, and h is for short. At the tail locus, allele T is for long, and...
1. A genetic cross in which the inheritance of two traits is observed is called a...
1. A genetic cross in which the inheritance of two traits is observed is called a A) Dihybrid cross. B) Monohybrid cross C) Backeross D) Testcross 2. For single crossovers, the frequency of recombinant gametes is half the frequency of crossing over because A) A testeross between a homozygous and heterozygote produces 1/2 heterozygous and 1/2 homozygous progeny. B) The frequency of recombination is always 50%. C) Each crossover takes place between only two of the four chromatids of a...
13. Creighton and McClintock worked with homologous chromosomes physically exchange genetic information during cros...
13. Creighton and McClintock worked with homologous chromosomes physically exchange genetic information during crossing over and their model system to show that A) Peas B. Corn 14. While mapping two genes in Drosophila you observe 40 recombinants among 200 total A) 30 map units 15. Another name for a chromosome is C. Fruit flies D. Tobacco offspring. What is the distance between these genes? B. 20 map units C200 map units D. 6.67 map units , since it contains genes...
Use the following genetic map, where the numbers indicate map units between adjacent loci : a---15...
Use the following genetic map, where the numbers indicate map units between adjacent loci : a---15 cM---b---5 cM---c---20 cM---d---30 cM---e, to answer the question. What is the frequency of gametes with the genotype aBCDe from a completely heterozygous individual with the genotype ABCDE / abcde?
The genetic map between four loci is given: P—2cM—Q-1cM-R---6cM---S The probability of recombination between P and...
The genetic map between four loci is given: P—2cM—Q-1cM-R---6cM---S The probability of recombination between P and S is Select one: a. 0.009 b. 0.012 c. 0.00012 d. 0.09 e. 0.9
(9 points) You are interested in studying recombination frequencies in wasps. You identify a queen that...
(9 points) You are interested in studying recombination frequencies in wasps. You identify a queen that is heterozygous at three different loci on chromosome 5: G, H, and R. As queen wasps can produce haploid male offspring without fertilizing their eggs, you decide to look only at the genotypes of her male offspring in your analysis. Below is a list of the genotypes of her male offspring, and the number of individuals that fall into each genotypic class. 92 168...
Can you explain how to formulate map units in these types of questions? I have a...
Can you explain how to formulate map units in these types of
questions?
I have a answered but i would like help with part B.
2. Recombination frequency is given below for several gene pairs. Create a linkage map for these genes, showing the map unit distance between loci. j, k 12%; k, 1 6%; j, m 9%; 1, m 15% 3. In guinea pigs, black (B) is dominant to brown (b), and solid color (S) is dominant to spotted...
9. The genetic map shown here depicts the locations of five single-nucleotide polymorphisms (SNPs, designated a-e) on an autosome and the frequency of recombination in percent) between adjacent SNPs. The region includes a genetic risk factor Q for a disease, which may be located in region M, H, K, or L along the chromosome. 12 low We Third dition 2019 Macmilan Learning percent recombination a-Q equals 20% percent recombination b-Q equals 16% percent recombination c-Q equals 4% percent recombination d-Q...
Question #1: Thomas Hunt Morgan used genetic mapping to map out genes on the chromosomes. He found that alleles that are not genetically linked, can still be on the same chromosome. Alleles A and Z are not genetically linked (recombination frequency is 50%) If the recombination frequency between different alleles are: AZ: 50% G-Z: 50% A-G: 8% T-D: 24% G-T: 39% TZ: 50% A-T: 47% DZ: 25% A. Are A and Z on the same chromosome? Why or why not?...
Question 1 (10 pts). Ilne genetic linkage among 3 gene loci in norses is being stuaiea. ine loci are part of autosomal chromosomes and they MIGHT be on the same pair of homologous chromosomes. There are two alleles at each locus. At the coat color locus, allele B is for black, and b is for white. At the height locus, allele H is for tall, and h is for short. At the tail locus, allele T is for long, and...
1. A genetic cross in which the inheritance of two traits is observed is called a A) Dihybrid cross. B) Monohybrid cross C) Backeross D) Testcross 2. For single crossovers, the frequency of recombinant gametes is half the frequency of crossing over because A) A testeross between a homozygous and heterozygote produces 1/2 heterozygous and 1/2 homozygous progeny. B) The frequency of recombination is always 50%. C) Each crossover takes place between only two of the four chromatids of a...
13. Creighton and McClintock worked with homologous chromosomes physically exchange genetic information during crossing over and their model system to show that A) Peas B. Corn 14. While mapping two genes in Drosophila you observe 40 recombinants among 200 total A) 30 map units 15. Another name for a chromosome is C. Fruit flies D. Tobacco offspring. What is the distance between these genes? B. 20 map units C200 map units D. 6.67 map units , since it contains genes...
(9 points) You are interested in studying recombination frequencies in wasps. You identify a queen that is heterozygous at three different loci on chromosome 5: G, H, and R. As queen wasps can produce haploid male offspring without fertilizing their eggs, you decide to look only at the genotypes of her male offspring in your analysis. Below is a list of the genotypes of her male offspring, and the number of individuals that fall into each genotypic class. 92 168...
Can you explain how to formulate map units in these types of
questions?
I have a answered but i would like help with part B.
2. Recombination frequency is given below for several gene pairs. Create a linkage map for these genes, showing the map unit distance between loci. j, k 12%; k, 1 6%; j, m 9%; 1, m 15% 3. In guinea pigs, black (B) is dominant to brown (b), and solid color (S) is dominant to spotted...
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