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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.
The resulting f1 generation consists of all tall pink flowered plants. Assume that height and flower colour is each determined by a single gene locus on different chromosomes; predict the results of an f1 cross of dihybrid plants. Select appropriate ..
Purine biosynthesis is allowed to take place in the presence of [N15]aspartate, and the newly synthesized GTP and ATP are isolated. What positions are labeled in the two nucleotides.
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The disease beriberi, which results from a dietary deficiency of vitamin B1 (Thiamine) is characterized by neurological and cardiac symptoms, as well as increased levels of pyruvate and alpha- ketoglutarate in the blood. define How does a deficien..
Fatty acid beta oxidation generates both NADH and FAD2. These are oxidized in the electron transport chain through
Case study on Salmonella Outbreaks in the U.S.
What series could you use to make a beta barrel with twelve antiparallel strands? Write out one repeat of the sequence as follows: M-(your sequence) 12.
Why in the world plants evolved such beautiful colours and shapes and create such wonderful scents. What do you tell her.
Prepare an essay on nosocomial infection.
Describe the process of the bioremediation in detail. Write down an essay on the topic of bioremediation.
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