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John has a white forelock. His wife Kate has completely brown hair. Their two children (five-year-old Jack and 3-year-old Clara) do not have white forelocks. Their new born daughter Mia is bald, and her hair colour pattern cannot yet be determined. John's mother Liz and his elder sister Jazmin have white forelocks, but his father does not and neither does his younger brother Bikram. Jazmin's husband has uniform hair colour. Both of their fraternal twin daughters (Nora, Lily) have hair like their mother, but their youngest child Jacob, who is adopted, is completely dark haired. Bikram's wife Emma does not have a white forelock, but thinks it is dramatic and hopes to have a child with it someday, especially since her husband's brother has it.
Using conventional symbols, construct a pedigree of the family above, showing the mode of inheritance of white forelock (having a streak of white hair). White forelock (affected) is an autosomal dominant trait. Uniform hair colour (unaffected) is the recessive form of the trait. Indicate the genotypes of the individuals (under the pedigree symbol or in a separate list), and include a legend for your symbols for the phenotypes and genotypes.
Why is the ratio of females with white forelocks to males with white forelocks not 1:1 for this autosomal trait in this pedigree?
What is the probability that a child of Bikram and Emma would have a white forelock? Explain. What is the probability that John and Kate's next child is a girl with a white forelock? Explain.
What is involved with producing Energy (such as ATP) for muscle contraction. An organelle in the muscle cell that helps distributes the signal to contract by the interior of the cell.
Use the information in your readings about metabolism to discuss how knowledge of the metabolic requirements of a given pathogen can help us to control it. Include the definition of a pathogen and examples of control techniques to support your ans..
Using a friend, family member, or colleague, perform a HEENT, integumentary, and abdominal exam. Document the physical examination findings in the SOAP note format.
What are some decisions to be made when determining the types of carbohydrates to be selected for a sensible diet? What factors are used in making these decisions?
Mexican hairless dogs are heterozygous (Hh), carrying a single copy of the dominant lethal allele. In a given population, the Hh genotypic frequency is 60% and the frequency of each homozygote is 20%.
find deployed at Progressive insurance and briefly explain the role of that product in enabling Progressive's business. Use a list to prepare your response and be sure to respond to both parts of the question.
With these anatomical features in mind, do research to find an angiosperm species that has structural modifications to leaves, stems, roots, or flowers that result in adaptive functions. For example, a California Barrel Cactus has spines in place ..
Directions: The food web was a major focus of this module. There is an active food web in our oceans as well, and it has a very prominent "microbial loop." Please read the "Caught in the Food Web" article.
In a random mating population, we have identified leghorn chickens that have an autosomal recessive disorder that results in the hopping like a bunny.
Why is an action potential conducted in only one direction, from an axon hillock to an axon terminal?
Between radiation, lead poisoning, and hypocalcemia.
Explain the two consecutive splicing steps that result in removal of introns. Splicing fidelity relies on specific recognition of introns by the splicing machinery.
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