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Promoters of housekeeping genes contain variable numbers of GC boxes, but neither TATA nor CCAAT boxes.Inwhat way these properties of housekeeping promoters are helpful?
2119Suppose you are heterozygous for a mutant beta-thalassemia allele. If the frequency of beta-thalassemia is 1/1600 persons, what is the probabilty that your prospective spouse is heterozygous for a mutant beta-thalassemia allele?
2078The village of Oblong has 400 normally-shaped residents. Transferrin is an iron carrier found in blood, and electrophoretic variation of this protein is determined by an autosomal codominant system. The citizens of Oblong were typed for their transferrin complements. The distribution of transferrin phenotypes was: 100 CC, 100 CD, and 200 DD. What is the frequency of the C allele?
1 2958Cystic fibrosis (CF) occurs with a frequency of about 1/2500 Caucasian newborns and is inherited as an autosomal recessive. A woman had an older sister die from complications of this disease. CF is not present among relatives of her husband. Both the woman and her husband have normal phenotypes. What is the chance this couple will have a CF child?
2252A blastomere was removed from an 8-cell human embryo, and its beta-globin gene was amplified by PCR. The beta-globin DNA was treated with an enzyme that cuts on either side of and within the normal allele (producing a small fragment), but not within the sickle cell allele (producing a large fragment). Electrophoresis of the treated DNA from the blastomere demonstrated the presence of both a large and small fragment derived from the beta-globin genes. How should you interpret this test?
2107concomitant administration of 6-mercaptopurine and which product results in severe bonemarrow suppression?
TATA,
2657If, in first order kinetics, 50 percent of a drug is absorbed from an intramuscular site in 12 minutes, then 75 percent drug is absorbed in how much time?
2 4470Which factors affect diffusion of a gas through the blood- gas barrier of the lungs as based upon Fick's law?
2680Calculate how much oxygen is dissolved in 100 milliliters of blood if the blood is exposed to a partial pressure of oxygen of 120 torr?
2168
Explain how was the moon formed?
Why does a glass filled with water shatter when you run your finger along the rim of the glass?
What is banana bond? Diborane contains how many banana bonds
How to calculate mean doubling times for adhesion cells ?
Why should preserve some seeds in acid before selling to farmers?
What is mutualism?
Which are the units of functioning in vssc?
What is kurtosis?
How do you effectively communicate complex diagnoses, treatment plans, and potential risks with patients and their families?
What are the three main parts make up the carpel of a plant?
How many types of twins can be there? Explain each.
How to make a microbiological diagnosis?
Why do not dry vanillin befour MR CALIBRATION
Do plants benefit from incandescent lighting?
Can you discuss the role of immunosuppressive therapy in kidney transplantation and its impact on patient outcomes?
