gene mapping 40%25%B 15 MU A25 MU5 MU CD.30%45%Practice Problems1. In Drosophila, bar shaped eyes (B), scalloped wings (S), crossvein-less wings (W), and eye Color(C) are located on the X chromosome. The recombination frequency of each gene is indicated onthe table. Construct a chromosome map.GeneFrequency of CrossoverW-B2.5%W-C3,0%B-C5.5%8-S5.5%W-S8.0%C-S11.0%2. The following chart showvs the crossover frequencies for genes on an autosome of the ArmorPlated Squirtlesaur. Constructa chromosome map.GeneFrequency of CrossoverP-Q5%6P-R18%P-S12%13%Q-R0-S17%

Start with the genes that are the farthest apart first: C and S are 11% map units apart and would…

Answered: are located on the X chromosome. The…

are located on the X chromosome. The recombination frequency of each table. Construct a chromosome map. gene 15 Frequency of Crossover 2.5% Gene W-B W-C 3.0% 5.5% 5.5% B-C 8-S W-S 8.0% 11 00/

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter13: Genes, Chromosomes, And Human Genetics

Section: Chapter Questions

Problem 4TYK: A number of genes carried on the same chromosome are tested and show the following crossover...

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Subject: Genetic problems 6. how would you recognize a line of garden peas that had become genotypically pure for a given trait? 7. A cross of two pink-flowered plants produces offspring whose flowers are red, pink, or white. Defining your genetic symbols, give all the different kinds of genotypes involved, and the phenotypes they represent. 9. In snapdragons, red flowers (R) are incompletely dominant to white (r), the hybrid being pink; narrow leaves (N) are incompletely dominant to broad leaves (n), the hybrid being intermediate in width ("medium"). show the genotypes and phenotypes for the progeny of a cross between a. red medium and pink medium plant b. a pink medium and white narrow c. two identical dihybrids 12. In guinea pigs, short is dominant to long. A short-haired guinea pig was mated to a long-haired one. What proportions of the offspring (F1) will be expected to be: a. homozygous short-haired b. homozygous long -haired c. heterozygous short-haired d. heterozygous…
Q.No.3. How can we compare most frequent with least frequent progeny during measurement of recombination frequency? What is the benefit of this comparison? please solve this in numerical form( problem). ch b+ cn 105 ch+ b+ cn+ 750 ch+ b cn 40 ch+ b+ cn 4 ch b cn 753 ch+ b+ cn+ 41 ch+ b cn+ 102 ch b cn+ 5 Total = 1800
Practice Pedigree Problem help. I am confused so please show. Label Phenotypes and genotypes as you go about the Pedigree (and whatever else might be required)! Thank you again for your help, these questions confuse me). Hair or fur length in cats is controlled by a single, autosomal gene; the short hair-allele is dominant to the allele for long hair. Hair color is produced by a different gene which is located on the X chromosome. One allele for this sex-linked gene produces yellow, while an alternate allele produces black fur color; individuals which are heterozygous for these alleles are calico or tortiseshell in color. a). If a long-haired, black male is mated with a calico female homozygous for short hair, what kind of kittens will be produced in the F1generation? Give both genotypes and phenotypes; express the genotypes both symbolically and in words.
31. Use a Chi-squared test on the F2 generation data to analyze your prediction of the parental genotypes. Show all yourwork and explain the importance of your final answer. (4)32. Determine the genotypes of the original parents (P generation) and explain your reasoning. You may use Punnettsquares to enhance your description, but the results from the Punnett squares must be discussed in your answer. (4)33. The brown-eyed female in the F1 generation resulted from a mutational change. Explain what a mutation is, anddiscuss two types of mutations that might have produced the brown-eyed female in the F1 generation. (4)
Do all of them please Multiple choice 1) Although Dolly was only three years old, her chromosomes had the length of a (9-10)-year old sheep. Which of the following best describes why this occurred?A) The cell lines that created Dolly were aged prematurely in the labB) Nonhomologous recombinationC) A mutation enhanced the rate of agingD) Dolly was not a cloneE) The telomeres of the somatic cells that Dolly originated from were shorteningAnswer: 2) Which of the following terms represents a cell that can form any other cell of the organism?A) PluripotentB) TotipotentC) UnipotentAnswer: 3) Bone marrow transplants typically use what type of cells?A) Embryonic stem cellsB) Embryonic germ cellsC) Embryonic carcinoma cellsD) Hematopoietic stem cellsAnswer: 4) Which of the following is an example of a pluripotent cell?A) Embryonic stem cellsB) Red blood cellsC) Fetal heart cellsD) Umbilical cord bloodE) Nerve cellsAnswer: 5) An organism that has integrated recombinant DNA into its genome is…
select whcih ic correct When 2 wildtype alleles are on the same parental chromosome, this is known as [Combined or Coupling or dispersed or heterozygous or Repulsion] . In sharp contrast [Combined or Coupling or dispersed or heterozygous or Repulsion] is when 1 wildtype allele and 1 mutant allele are on the same parental chromosome
Activity 9GENES SEGREGATION BY BEAN-O TYPE Materials: Colored beans to represent the gene for a certain trait of garden pea. (60 pieces of the same size and shape; 30 pieces of which are of different colors from rest) Procedures: 1. Place the 30 pieces beans (one color) to one container and the other 30 pieces to the other container. Assign which color of beans will represent dominant and recessive genes of a specific trait of garden pea 2. Label the paper container as First Parent P1, male and other P1 female 3. At random, segregate the beans on the Lab table. Assume fertilization occurs and First filial generations (F1) are formed 4. Categorize the formed First filial generations 5. Put all the beans in one container. Assume that all the first filial generations undergo self-fertilization 6. Pick up the beans by two from the container without looking at it and collect the second Filial generation (F2) 7. Categorize the formed Second filial generations into two (2) phenotype, and…
Problem 1: A pet storeowner mated two guinea pigs with the following results 22 black offspring 5 white offspring He then mated two of the black offspring and got the following results: 16 black offspring 3 white offspring What is the genotype of the parents used in the first cross? What is the genotype of the parents used in the second cross? What is the chance of obtaining a totally homozygous offspring in the second cross? If the white offspring were crossed with the original parents, what would be the probability of obtaining white offspring? What would be the chance of obtaining a homozygous black offspring?
A number of genes carried on the same chromosome are tested and show the following crossover frequencies. What is their sequence in the map of the chromosome? Genes Crossover Frequencies between Them C and A 7% B and D 3% B and A 4% C and D 6% C and B 3%
14. A wildtype fruit fly (heterozygous for gray body and normal wings) is mated 2 poin with a black fly with vestigial wings. Offspring: 778-wild type 785-black vestigial 158-black-normal wings 162 gray body-vestigial wings. 1. What is the recombination frequency between these genes? 2. Are the genes linked? Explain why or why not. *
3. In the X linked fruit fly cross , why were the adult flies in the XRXr x XRY vial removed? 1. Adult fruit flies are known to eat their larvae and this would throw off the count 2. The goal was to count the phenotypic ratio of the offspring; therefore the parental generation must be removed. 3. The adult flies would eat all the food and the offspring would die before a count could be made
1. In incomplete dominance, the phenotype of ____ : only one allele is expresses both alleles is partially expressed neither of the alleles are expressed both alleles is expressed 2. For a particular quantitative trait, 1024 flowers were produced. One was white and one was the darkest red possible. How many polygene pairs are involved in flower color in this case? 3. A DNA topoisomerase that starts recombination when cut-and-repair mechanisms occur during meiotic recombination. 4. In crossing over studies on maize, scientist observed the following % crossing over between genes A, B, C, D: between A and D 10%, between A and C 3%, between genes C and D 7%, between genes A and B 5%, and between genes C and B 8%. On the basis of above observation, what is the correct sequence of genes A, B, C and D on the chromosome? 5. In the F2 progeny are a mixture of 3 dominant: 1 recessive for a trait. You picked a dominant plant at random. What will be the probability that this…