Consider blue eyes in man as recessive to brown eyes. Show the expected children of a marriage between a blue-eyed woman and brown-eyed man who had blue-eyed mother.
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- C. Give the genotypic and phenotypic ratios 1. Hemophilia is a disease caused by a gene found on the X chromosome. The recessive allele causes the disease. Tall (T) is dominant over short (t). A homozygous tall female carrier marries a short hemophiliac male. Predict the genotype and phenotype of their offspring. 2. In mice, the ability to run normally is a dominant trait. Mice with this trait are called running mice (R). The recessive trait causes mice to run in circles only. Mice with this trait are called waltzing mice (r). Hair color is also inherited in mice. Black hair (B) is dominant over brown hair (b). 2 heterozygous running, heterozygous black mice were crossed. Give the genotypic and phenotypic ratios of their offspring.Question: The disorder: Red-Green color blindness Explain the mode of inheritance of the disorder (recessive, dominant, x-linked, etc.) . Can a person be a carrier of this disorder? • Describe the probability of having a child with the disorder -- give a specific scenario (ex. both parents are heterozygous for the trait) • Describe the symptoms associated with this disorder Explain the prognosis of a person born with this disorderSUBJECT: GENETICS Topic: Probability 1. Consider albinism a trait to occur in a human family. If two parents areheterozygous for such trait, the probability of having a normally pigmented child is 3//4 and having an albino child is ¼. What is the probability that 2 will be normal and 1 will be albino?
- O. exal B. Heredity Assume that dominant allele is B (brown eye color) and that recessive allele is b (blue eye color). Genotype of the father (male) is BB. Genotype of the mother (female) is Bb, Questions: 7. List all the possible genotypes and phenotypes and calculate the probability of each. 8. What is the probability of this couple having a child with brown eyes? What about blue eyes? Add Tip omment ASK Question Dow 5,288 66 APR 28 étv 260NAME: Patterns of Inheritance Worksheet 1. True Breeding Parental Cross A homozygous dominant purple flowered plant is crossed with a homozygous recessive white flowered plant. a. What are the genotypes of the parent plants? (Use the Punnett square to determine the outcomes of this cross. Remember to place the gametes along the left side and top of the square. (P=Purple, p=white) b. What is the genotype of all F₁ plants? 1 b. c. What is the phenotype of all F₁ plants? C. d. How many plants out of 4 will produce white flowers? d. a. 2. Monohybrid Cross: The F₁ offspring from the above problem are allowed to self fertilize. a. What are the genotypes of the F₁ parents? a. (Use the Punnett square to determine the outcomes of this cross. Remember to place the gametes along the left side and top of the square.) b. What is the genotype ratio for this cross? c. What is the phenotype ratio for this cross? d. How many plants out of 4 will produces white flowers? d. b. C.Performance Task: Regular Biology Name: Who Gets the Money? Worksheet O bindgdoaolon0ne Part Two: Co-dominance and Incomplete dominance Now that have been eliminated, lawyers order blood tests to try to prove their claims. The lawyers have also done some research and read that hair texture is inherited. Type A and type B blood are co-dominant over type O. Rh+ blood is dominant over Rh- blood. Hair texture exhibits incomplete dominance. Homozygous dominants (HH) have curly hair. Homozygous recessives (hh) hawe straight hair. Heterozygotes (Hh) have wavy hair. Homozygous type A blood, heterozygous Rh+, straight hair. Heterozygous type B blood, homozygous Rh+, wavy hai Heterozygous type A blood, heterozygous Rh+, wavy hair. Heterozygous type A blood, homozygous Rh+, wavy hair. Type O blood, Rh-, straight hair. Mr. Jones Mrs. Jones Carl Dale Earl In the space below, draw three Punnett Squares showing the possible offspring of Mr. and Mrs. Jones: for blood type, Rh type, and hair textures.…
- Open with - C. Flower color: Purple or white 1. In pea plants, purple flowers are dominant to white flowers. What would a cross between a true-breeding purple flower and a true-breeding white flower look like? (* True-breeding = homozygous) Parents: 2. Now, complete a Punnett square to be able to answer the questions. Mother's gametes go on top and fathers on the left side, Genotypic Ratio Phenotypic Ratio 3. What percentage of offspring has both the dominant and recessive gene? 4. Is it possible to have white flowers in this case? 5. What is the probability of having homozygous dominant flowers? 6. What percentage of offspring are hybrids? 7. What is the phenotypic ratio?. 8. What is the probability of having homozygous plants? 9. True or false : Pp are flowers that are purple with white stripes. D. Fingers per Hand in Humans 1. In humans, six fingers per hand is dominant to five fingers per hand. (S = 6 fingers, s = 5 fingers) Cross a heterozygous male with a 6-fingered…I. Perform the indicated single-gene and two-gene crosses. Show all work. Show all Punnett squares. List the gene or genes involved, list and define all allele symbols, and indicate the genotypes of the individuals you are crossing above the Punnett square. Answer questions that ask for a ratio as a ratio and questions that ask for a percent as a percent. In humans, albinism is a recessively determined trait. One form of hereditary deafness is also a recessive trait. Show the cross of a man who is heterozygous for skin pigmentation and heterozygous for hereditary deafness with a woman who is albino and deaf. Show the expected phenotype ratio of the offspring.Instruction: Solve for the genetic problems. a. Genotype of the parentsb. Phenotype of the parentsc. Punnett squared. Genotypic ratioe. Phenotypic ratio Question: Two individuals with widow’s peaks want to have a child with a continuous hairline. Is this possible?
- Predictions: On 53 4) Do you have a dimple in your chin? Partner A: Yes or No. Having no dimples in your chin is a recessive trait. For the purposes of this exercise, if you have a dimple in your chin, you are homogygous dominant for this trait (DD). Absence of a dimple in your chin indicates a homozygous recessive genotype for this trait (dd). Complete the Punnett Square below and calculate the percentage probability of inheritance: $ 4 R F F4 V Accessibility: Investigate % 5 T D G F5 B * ^ 6 Y H F7 & 7 U Partner B: Yes or No N Probability (percentage) of having Child with dimples? Child without dimples? P J PrtScn F8 8 1 Home M F9 % % 9 K End O F10 PgUp 0 Foct LDirections: Use the following information to answer the questions below: all are sex-linked recessive disorders. H= normal blood clotting C=Normal Vision h-hemophilia muscular dystrophy M= Normal c= colorblind 1. Write the genotypes for the following individuals: a. female with no family history of hemophilia b. male with hemophilia c. male with muscular dystrophy d. male with normal color vision e. normal color vision female with colorblind father f. male with normal blood clotting g. colorblind male m= 2. Cross a female who is a carrier of the gene for hemophilia with a man who has normal blood clotting. Tell the expected phenotypic ratio of the offspring. 3. Cross a female with normal color vision, but whose father was colorblind, with a man who has colorblindness. Tell the expected phenotypic ratio of the offspring. 4. Cross a woman who does not suffer from muscular dystrophy and has no family history of muscular dystrophy with a man who has the disorder. Tell the expected…Name: Date: 11 9J1 Block 1 Benchmark Quarter 3 Study guide Trait: Neurofibromatosis Forms of the trait: A The dominant form is neurofibmmatosis, caused by the production of an abnormal form of the protein neurofibromin. Affected individuals show spots of abnormal skin pigmentation and non-cancerous tumors that can interfere with the nervous system and cause blindness Some tumors can convert to a cancerous form A The recessive form is a pormal protein-in other words, no neurofibromatosis A typical pedigree for a famity that caries neurofibromatosis is shown below Note that carriers are not indicated with half-colored shapes in this chart. Use the letter "N" to indicate the dominant neurofibromatosis allele, and the letter "n" for the normal allele. Nn nn 3 nn 1. Is this autosomal or sex-linked? Why? 2. Is individual #1 most likely homozygous dominant or heterozygous? Explain how you can tell 3. What is the genotype of individual # 3? 4. Can you be sure of the genotype of the affected…