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1. A couple who are both carriers of the gene for cystic fibrosis (CF) have two children who have cystic fibrosis. What is the probability that their next child will have cystic fibrosis? What is the probability that their next child will be a carrier of cystic fibrosis?
2. Black coat color (B) in rats is dominant to brown coat color (b). There is a cross between a homozygous recessive and a heterozygote. What is the chance of getting an offspring with the homozygous recessive phenotype?
3. Red flowers (R) in snapdragons are dominant over the recessive white flowers (r). Heterozygotes have pink flowers, whereas the two homozygotes have red flowers or white flowers. Plants with red flowers are crossed with plants with white flowers. What proportions of the offspring will have pink flowers?
4. Huntington's is an autosomal dominant disease. Work a cross between a homozygous recessive mother (hh) and a heterozygous father (Hh). The offspring would have very different outcomes from an autosomal recessive disorder. What are the possible genotypes and phenotypes of children born from this union?
5. Mendel wanted to cross true breeding tall plants (TT) with true breeding short plants (tt). Would it be possible to produce offspring that were true breeding for either of these characteristics if these two plants produced offspring?
Identify the type of cancer you are going to research. Generally, explain what it is and what part of the body it affects.Describe the cancer in biological terms at the level of the cell and at the level of the major organ system it affects.
The presence of low levels of cyanide arrests cellular respiration in animals, yet has little or no effect on plants. Explain how plants are able to overcome the effect of cyanide poisoning.
Compare cat/dog ovaries with what you know about human ovaries. Would you be more likely to see many follicle wtructures (graffian follicles or corpus lutea) in a cat/dog ovary or in human ovary? Explain your thinking.
Identify the importance of the IOM "Future of Nursing" report related to the nursing workforce and discuss the intent of the Future of Nursing: Campaign for Action.
Organ transplant recipients are given immunosuppressive drugs post transplantation. This treatment continues for the rest of their lives to prevent organ rejection.
How many tasks were more difficult to perform without an opposable thumb? How many tasks were easier to perform with an opposable thumb? How many tasks were not impacted by the use of an opposable thumb
List two types of macromolecules that have been partly digested by the time acid chyme moves into the intestine. Where did this digestion take place and what enzymes were involved.
Consider a ribosome trying to read and translate into triplets a random sequence of RNA (not a coding region). Assume that A,U,G, and C are equally frequent in the RNA.
name a mechanism for an ion channel protein that can be selective for K+ and not Na+ (although the ionic radius of Na+ is smaller than that of K+)? What would be one possible mechanism for the opposite selectivity?
How is glycolytic flux increased during a bicycle exercise test biochemically in someone who is exercise intolerance?
Illustrate one experiment that shows that shh is the critical molecule produced by the inducing tissue referred to in (a). what is the evidence that this tissue regulates the ventral pattern of the neural tube (even before this tissue was known to pr..
Why might people question the ethics of IVF? Why might those concerns be unfounded? List relevant facts and significant unknowns, separating subjective from objective information. Identify credible sources with at least two distinct viewpoints on ..
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