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Prader-Willi syndrome is caused by the deletion of the paternal copy of a small section of human chromosome 15. In normal individuals, only the paternal copies of the genes in this section of chromosome 15 are expressed; the maternally inherited copies of these genes are silent due to maternal imprinting. In patients carrying the deletion on chromosome 15 cannot be expressed and the individuals have the Prader-Willi phenotype. Assuming that Prader-Willi syndrome is 100% penetrant, answer the following questions:
A) What proportion of the children of an affected male will have the Prader-Willi phenotype? Explain.
B) What proportion of the children of an affected female will havae the Prader-Willi phenotype? Explain.
A differs from that of the other four species because of simple misalignment, then what should the computer software find when it compares the series of Species A to those of the other four species.
Aspirin has a pH of three. Some people who take large amounts of aspirin (for example, for arthritis) take a pill that combines aspirin with Maalox. What is the reason for this combination.
Which phenomenon accounts for movement of these genes. Because a doughnut contains large quantity of energy that can become available for our metabolism when eaten, why isn't the doughnut "jumping" all over counter or hot to the touch.
During gym class Sally noticed that her friend Melissa always ran faster than her. Sally knew that they exercised equally, so she wondered what could cause Melissa to run so fast.
In explaining their findings, the authors have ignored a major threat to the validity of their estimates of exposure. Explain and discuss this error.
Angel is a biologist studying Lake Ecosystem in which leaf-eating insects are consumed by fish, which are consumed by snakes, which are consumed by hawks. In this case, how would you categorize a fish.
If humans and shrews shared the common ancestor roughly 80 million years ago, ignoring multiple substitutions at the same site, how several amino acid differences have to be expecting to see between a human and shrew Fibrinogen B sequence.
While a tall homozygous plant was crossed with a short homozygous plant, the F1 offspring were all tall. No short plants were present in the F1 generation. Which principle does this situation represent.
Though, at the restrictive temperature, the minimum size required to enter mitosis is decreased greatly; as a result, diminutive daughter cells are produced.
Explain how you would prepare 200 ML of a 0.25 Msoluation of NaOH from a 3 M stock solution?
Which hormone causes an increased output of enzyme-rich pancreatic juice and stimulates gallbladder contraction to free bile. Build up a network design that accommodates these requirements and keeps costs down. These training environments must hold a..
A batch animal cell culture has a productivity of 1.8 g/L*day, with a MUmax=0.5 days, a 10% inoculums and a turnaround time of 5 hours. If a continuous culture could operate at a dilution rate of 90% MUmax, explain what would be the productivity.
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