ABC D EF2015 10 2030G202020Using the map, what is the expected frequency of homozygous recessives (cd/cd)from a testcross of Cd/cD X cd/cd? .a. 20%b. 10%c. 5%d. this progeny class will not be formede. none of the above

The expected frequency of homozygous recessive (cd/cd) progeny from a testcross of Cd/cD × cd/cd is…

Answered: A B C D E F 20 15 10 20 30 G 20 20 20…

Biology 2e

2nd Edition

ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter12: Mendel's Experiments And Heredity

Section: Chapter Questions

Problem 17RQ: Assuming no gene linkage, in a dihybrid cross of AABB x aabb with AaBb F1 heterozygotes, what is the...

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Assuming no gene linkage, in a dihybrid cross of AABB x aabb with AaBb F1 heterozygotes, what is the ratio of the F1 gametes (AB, aB, Ab, ab) that will give rise to the F2 offspring? a. 1:1:1:1 b. 1:3:3:1 c. 1:2:2:1 d. 4:3:3:1
4 8. E Y 4 15 9. P 3. Set up and complete a Punnett square for a cross of two of the F, from Step 1 (above). 4. Answer these questions: a. What are the genotypes of the F2 generation? b. What are their phenotypes? C. Are there more or fewer blue kernels than in the generation? 5. Identify the four possible gametes produced by the following individuals (Y = yellow, y = blue, S = smooth, s = wrinkled): a. YY Ss: © eScience Labs, 2018
age 105 of 114 3 5 € BUD > D Q Autosomal Genes 1. Parental Cross: It is possible that your mutation is autosomal (dominant or recessive). In this case, you only need one Punnett square to make predictions for the F1 generation that will result from the parental cross, as it does not matter if the female or male in the parental generation is the true breeding mutant. a. Provide a Punnett square to predict the genotype of the F1 generation. b. Q Search If the mutant allele is dominant, predict the phenotype of the F1 generation. Make sure to also summarize the prediction as a ratio, comparing Wild-type : Mutant. c. If your mutant allele is recessive, predict the phenotype of the F1 generation. Make sure to also summarize the prediction as a ratio, comparing Wild-type : Mutant. 2. F1 Self-Cross: Take the F1 results from question #1 to create a Punnett square predicting the F2 generation genotypes. 104 a. What are the predicted F2 phenotypes if the mutant allele is dominant? Make sure to…
30*_SP23 - General Biology I (for maj s page A 1:1 phenotypic ratio will occur when which of the following crosses is done? Select one: O a. Tt x Tt b. TT x tt O c. TTx TT O d. TTx Tt O e. tt x tt O f. tt x Tt O g. GgTt x GgTt h. GGTT x ggtt GGtt x ggTT O i. MacBook Air
а. a chart that shows the combinations (results) for a cross 8. Genetics b. a picture (diagram) that shows genetics pass from generation (pass from 9. Alleles parents to kids to 10. Punnett grandkids) Square genotype of 2 DIFFERENT alleles (Bb, Dd, Aa...) с. 11. Phenotype d. the information on the alleles / Genes (ex. TT, Tt, tt) 12. Genotype e. a person's Physical appearance; their characteristics (ex. Brown eyes) 13. Homozygous f. a type of gene - we get one from our mom and one from our dad. 14. Heterozygous g. genotype of two of the SAME alleles (AA, aa, BB, bb...) 15. Pedigree h. the study of heredity and the variations of characteristics (how people look differently)
Question text In a cross AaBbCc x AaBbCc, what is the number of gametes would be produced from the first parent? а. 16 b. 4 С. 8. d. a.
_30*_SP23 - General Biology I (for maj A 1:1 phenotypic ratio will occur when which of the following crosses is done? us page Select one: F1 O a. Ttx Tt O b. TT x tt O c. TT X TT TTx Tt tt x tt tt x Tt GgTt x GgTt GGTT x ggtt GGtt x ggTT O d. e. O f. O g. Oh. Oi. F2 # 80 F3 LA $ 000 000 F4 % F5 MacBook Air < F6 & F7
4 *The normal color of snapdragons is red. Some pure lines showing variation in flower color have been found. Analyze the following crosses and do the following:² c. Explain the inheritance of these colors (include number of genes, alleles and dominance relationships). d. Determine the genotypes of the parents and the F1 of each cross. e. Propose a biochemical pathway for flower color production in snapdragons. F₂ Parents 1. orange x yellow 2. red x orange 3. red x yellow 4. red x white F₁ orange red red red red 5. yellow x white 9 red: 3 yellow: 4 white 6. orange x white 9 red: 3 orange: 4 white 7. red x white 9 red: 3 yellow: 4 white Hint: Come up with a possible pathway first, it helps to organize your thoughts. red 3 orange: 1 yellow 3 red: 1 orange 3 red: 1 yellow 3 red: 1 white red
4. In this pedigree of another family with hemophilia A. If the woman Il-2 has a son, what is the chance that he is affected? II B. If the woman Il-2 has a daughter, what is the chance 1 2 3 4 III that she is affected? -1 C. If the woman Il-2 has 2 sons, what is the chance that neither will be affected? D. What are the chances that the child of II-4 and Il-5 will be affected?
30*_SP23 - General Biology I (for majo us page Ö A 3:1 phenotypic ratio will occur when which of the following crosses is done? Select one: O a. Ttx Tt O b. O c. O d. O e. O f. GgTt x GgTt GGtt x ggTT GGTT x ggtt TT x tt tt x Tt tt x tt Oh. TT x Tt Oi. TT x TT g. O g. 000 MacBook Air
Figure 5.1 presented abbreviated pedigrees looking at the inheritance of X-linked human conditions. El Figure 5.1a initiated with a male who was color blind and had hemophilia A. The grandsons and great-grandsons of this male were either color blind and had hemophilia A, or they had neither condition. a. Which if any individuals in the G Fig. 5.1a pedigree is a double heterozygote? b. Are any of the grandsons or great-grandsons shown in the pedigree the product of recombinant type gametes? c. Do the genes responsible for color blindness and hemophilia A segregate independently? d. If you examined many pedigrees, each starting with a man who was simultaneously color blind and had hemophilia A, do you think any grandsons or great-grandsons would ever have one condition but not the other? L Figure 5.1b initiated with a male who was color blind and had hemophilia B. The grandsons of this male were either only color blind, only had hemophilia B, had both conditions, or they had neither…
BB AB AB A. None B.3 с.1 D.2 ВВ OE. The father AB In the pedigree presented above, an autosomal dominant disease which causes significant visual loss and eventual blindness, is segregating in the family. The disease gene causing this sight loss looks as if it may be linked to a marker locus. The alleles of this marker locus that are present in this family are allele A and allele B. Are there any recombinant individuals in this pedigree? AB ВВ AB ВВ AB ВВ AB AB ВВ

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A B C D E F 20 15 10 20 30 G 20 20 20 Using the map, what is the expected frequency of homozygous recessives (cd/cd) from a testcross of Cd/cD X cd/cd? . a. 20% b. 10% c. 5% d. this progeny class will not be formed e. none of the above