Question 10 Listen Donna is heterozygous for both hemophilia (a sex linked recessive trait) and Sickle Cell Anemia an (autosomal recessive trait). She has children with Michael who does not have hemophilia but is also heterozygous for Sickle Cell Anemia. What fraction of their sons with have both hemophilia and Sickle Cell Anemia? a) 1/8 b) 1/2 c) 1/4 d) 1/16
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- < 12:54 Today Edit 8:21 AM Question 94 (Mandatory) Duchenne muscular dystrophy is inherited in an X- linked recessive pattern. A female is known to be heterozygous for Duchenne muscular dystrophy XD Xd She marries a male who is affected by Duchenne muscular dystrophy Xd Y What percentage of their children will be females who have Duchemnne muscular dystrophy. a) 50% b) 100% c) 0% d) 25% Question 95 (Mandatory) The use and expression of a nuclear gene is altered without any alteraton to the nucleotide sequence. This phenomenon is called a) mutation 03:22 EP E EQUESTION 4. Red-green color blindness is inherited in an X-linked recessive manner. Joe is red-green color blind. Joe's mother and father both have normal vision, but his mother's father (i.e., Joe's maternal grandfather) is color blind. All of Joe's other grandparents have normal color vision. Joe has three sisters (Patty, Betsy, and Lora), all with normal color vision. Patty (Joe's oldest sister) is married to a man with normal color vision; they have two children, a 9-year-old color-blind boy and a 4-year-old girl with normal color vision. Joe marries a woman who is a carrier of the color-blind allele; they are expecting their first child. Patty & her husband are expecting their third child. L4.9 Q4 Homework • Unanswered Which of the following scenarios has a greater probability of occurring and by how much? Scenario 1: Joe's first child will be a color-blind boy. Scenario 2: Patty's third child will be a color-blind boy. Select an answer and submit. For keyboard navigation, use the…QUESTION 49 refers to the following pedigree of albinism (an autosomal recessive trait): What are the genotypes of the mother and father? CHO mother - homozygous dominant; father - homozygous dominant O a. mother - heterozygous; father - homozygous recessive Ob. mother - homozygous recessive; father - heterozygous OC. mother - heterozygous; father - heterozygous od. 2 points Save Answer
- Alberta is phenotypically normal, but her brother (Rodrigo) has albinism, which is caused by an autosomal recessive mutation. The probability that Alberta is a carrier (i.e., heterozygous for albinism) is [express your answer as a fraction]Sickle cell disease Question 25 All of these are features of an autosomal recessive pedigree EXCEPT: O Heterozygotes have a normal phenotype ffected children can have two unaffected parents O Heterozygotes are affected Males and females are affected equally Question 26 Which of the following is a sex-linked recessive disorder?How might a genetic counselor help a couple determine whether or not they could have a son with hemophilia
- Question 6 HH is O homozygous O heterozygous O genotype O phenotypeAre my answers correct for this pedigree?Neither Tim nor Rhoda has Duchenne muscular dystrophy, but their firstborn son does. What is the probabilitythat a second child will have the disease? What is theprobability if the second child is a boy? A girl?
- Sickle cell disease Question 25 All of these are features of an autosomal recessive pedigree EXCEPT: O Heterozygotes have a normal phenotype ffected children can have two unaffected parents Heterozygotes are affected Males and females are affected equally Question 26 Which of the following is a sex-linked recessive disorder? Cystic Fibrosis/d/1n5NtidRwTwUzcDkDPi5Z9P_SHPZ91A-XH-pfftLbhNc/edit (1) O pols Add-ons Help Last edit was seconds ago BIUA ミ: 12 + ext Calibri I|1 6 I 2 Section 5: Trihybrid cross and Laws of probability For a trihybrid cross, in which inheritance of alleles for three genes is tracked, drawing a Punnett square that combines all three genes may not be practical. Instead the laws of probability may be used. The product law of probabilities says that when alleles for separate genes segregate independently, we can figure out the probability of a particular combined genotype by multiplying the probability of the alleles for each gene. 13. We cross a homozygous tall pea plant with yellow, round seeds to a homozygous dwarf pea plant with green, wrinkled seeds. All the F1 offspring are all tall plants with yellow, round seeds. a. What are the expected F2 ratios (use fractions) of tall and dwarf plants? b. What are the expected F2 ratios (use fractions) of yellow and green seeds? C. What are the expected F2…Question 6 Which of the Pedigree Diagrams below is most likely to show a family with Becker muscular dystrophy? B Afected female Normal fenale anecad sale Nermal maie KEY Homozygous Homazygous Heterozygous Heberozygous Wild Type Male Fumale Male Female Male Female Note: Completely red symbol denotes an individual exhibiting the phenotype of interest C OT 12 12 12 IV 1/4 14 Alfected 12. 1/2 Known camer A A B. A, 8.