ygous dominant? 5. The ability to taste PTC paper is controlled by a dominant gene. The ability to taste (T) PTC is dominant over the inability to taste (t) PTC. Normal skin (N) is dominant over albino skin (n). Two tasters, normally pigmented, have an albino son and a non-taster daughter. Show the cross between the parents. Genotype of mom Genotype of dad Genotypes Phenotypes What is the chance that the albino son is a taster? What is the chance that the non-taster daughter is an albino? What is the chance that the non-taster daughter is a carrier of the albino trait? What is the chance of getting offspring who are heterozygous for both traits?

ygous dominant? 5. The ability to taste PTC paper is controlled by a dominant gene. The ability to taste (T) PTC is dominant over the inability to taste (t) PTC. Normal skin (N) is dominant over albino skin (n). Two tasters, normally pigmented, have an albino son and a non-taster daughter. Show the cross between the parents. Genotype of mom Genotype of dad Genotypes Phenotypes What is the chance that the albino son is a taster? What is the chance that the non-taster daughter is an albino? What is the chance that the non-taster daughter is a carrier of the albino trait? What is the chance of getting offspring who are heterozygous for both traits?

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Description: 5.The ability to taste PTC paper is controlled by a dominant gene. The ability to taste (T) PTC is1ueunuop sno8Ázounu ae RIRdominant over the inability to taste (t) PTC. Normal skin (N) is dominant over albino skin (n). Twotasters, normally pigmente

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 2TYK: The following pedigree shows the pattern of inheritance of red green color blindness in a family....

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6. A man with X-linked colorblindness marries a woman with no history of ibba colorblindness in her family. The daughter of this couple marries a normal man noitenmot and ended up hone daughter, and their daughter also marries a normal man. This mont blast couple has already had a child with color blindness. do sri ni novig A) What is the chance that next child will be color blind? B) What is the chance that this last couple will have an affected daughter? (d #50x²50 (
1) having dimples D is dominant over not having dimples d. A dimples woman whose father had no dimple and whose mother did have dimples marries a man whose mother had no dimples, whose whose father had no dimples and whose grandparents on his father's side did have dimples. What is the genotype of the woman what is the genotype of the man 2) Deafness in cocker spaniels is inherited.The allele for deafness is recessive to the allele for normal hearing. Two cocker spaniels with normal hearing are mated together. They produce a little of eight puppies, two of which are found to be deaf. Give the genotype of the parent. How many of the puppies will be unable to produce deaf offspring
5. A man who is not bald married a non bald female whose mother is bald. A. What is the chance that the couple will have a bald son? B. What is the probability that the couple will have a bald daughter? What is the chance that the couple will have a nonbald daughter? C.
1. Two normal visioned parents have a color-blind son. Give the genotype of both parents and the son.
1) Perception of a bitter taste from phenylthiocarbamide (PTC) is dominant (T) to not being able to taste PTC. Albinism is recessive to normal pigmentation (A). The genes controlling these traits are on separate chromosomes. a. A normally pigmented woman who cannot taste PTC has a father who is an albino taster, marries a many homozygous for normal pigmentation who is a PTC taster, but whose mother did not taste PTC. What are the genotypes of the woman and man listed here? b. Assuming the man and woman in the above section have children, what percentage of these children will be albino? c. What percentage of these children will have the same phenotype as their mother?
9. In man, brown eyes (B) are dominant over blue eyes (b) and normal skin pigmentation (N) is dominant over albinism (n). A brown eyed, albino man whose mother had blue eyes and normal skin pigmentation and whose father was albino marries a blue eyed, normally pigmented woman whose father had brown eyes and was albino. (a) What is the woman's genotype? (b) What proportion of the couple's offspring would be expected to have brown eyes and normal skin pigmentation? (c) What proportion of the couple's offspring would be expected to have genotype Bbnn? (d) If the man were to marry a woman with the same genotype as his present father-in-law, what proportion of the offspring would be expected to have blue eyes and be albino? (e) If the woman were to marry a man with the same genotype as her present mother-in-law, what proportion of the offspring would be expected to be of genotype bbNN?
7. More than 100 genes cause deafness when mutant. What is the most likely mode of inheritance in families in which all children and the parents were born deaf? OC €
In humans, tongue rolling (R) is completely dominant to the inability to roll the tongue (r), unattached earlobes (E) are completely dominant to attached earlobes (e), • presence of dimples (D) is completely dominant to the absence of dimples (d), • and a peaked hairline (H) is completely dominant to a straight hairline (h). A woman of genotype rr Ee DD Hh and a man of genotype Rr Ee Dd hh are planning to have a child. What is the probability that: i. The child will show the recessive trait for all four characteristics? 11. The child will look like its mother for all four characteristics? The the child will not look like its father for all four characteristics? 111.
4. The A and 1B alleles in human blood are co-dominant but both are completely dominant to the i (give O blood type) allele. Fill in the table: Phenotype Genotype(s) A blood OR B blood OR AB blood poojq o Problem: Can a man who has O blood father a child with B blood? Explain your answer. Personet use only, do mOeproduce cd.eou garciato187 5 Hemophilia is a sex-linked recessive gene found on the X chromosome. A woman who is heterozygous for the gene has children with a man who has the condition. a What is the genotype of the man? What is the genotype of the woman? b Gametes produced by the man? Gametes produced by the woman? C In the space provided, draw a Punnett square for the parents previously described in this question. Include phenotype in each box. Next to your Punnett square, clearly identify the ratios for both genotype and phenotype. Personalise ony cootreoroduIce 70 TT-0207 GAICiato187@student.laccd.edu Personal use oniv do not reproduce 20-TT-0707 garciafo187@student…
Additional problems (Chapter 4 (Extension of Mendelian Inheritance): 1. In rabbits, coloration of the fur depends on alleles of the gene c. From information given in the chapter, what phenotypes and proportions would be expected from the following crosses: a) CC X cc b) Cc x Cc c) Cc x Ccch d) cc x cc 2. From the information given in the chapter about the ABO blood types, what phenotypes and ratios are expected from the following matings: a) type AB x type O b) Type AB x type B individual whose mother is type O c) Type O x Type A individual whose father is type O d) Type Ox type O 3. A woman with type AB blood type gave birth to a baby with type B blood. Two different men claim to be the father. One has type A blood and the other type B blood. Can the genetic evidence decide in favor of either? 4. You have been studying a trait that seems to be present in every generation within a particular family. Further, you have observed that every affected offspring has at least affected parent…
5. A woman who is a carrier for colorblindness marries a colorblind man. The woman nas 5 nngers on each hand and the man, whose father had father had 5 fingers, has 6 fingers. (Polydactyly-have 6 fingers on each hand-is inherited as an autosomal dominant trait. What percent of their children do you expect to be colorblind with 5 fingers? man with type AB blood is married to a woman with type O blood. They have 2 natural children 01one adopted child. 'One child has type A blood, one has type B blood and the other has type O blood. Whi s adopted?
1. A woman with type B blood gives birth to a girl who is type O. Which of the following men could of been the father (a) Joe- Type O (b) Frank -Type B (c) Steve- Type AB (d) both Joe and Frank (e) Joe, Frank or Steve In mice, coat color is due to the inheritance of three genes located on three different chromosomes. The A gene which determine if a yellow band is present on the hair (A= yellow band, aa=no yellow band ) and the B gene which determines if the hair is brown (bb ) or Black (B). The A and B genes interact to produce the following coat colors: Agouti: AB Cinnamon: A bk black: brewn aabb The third gene is the C gene, which determines if the mice has any hair pigment at all. If the mouse has at least one C allele then the coat color will be determined by the A and B genes as described above. However, if the mouse is cc in genotype it will be albino, regardless of the mouse's A and B genotype. aaB 2. In mice coat color (a) the C gene is dominant to the A and B genes (b) the cc…