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#Question id: 13104


With the help of DNA fingerprinting which can be used to determine paternity. There are three babies (Baby A, Baby B and Baby C) in a maternity ward, and three sets of confused and worried parents. (Father and Mother #1 are a couple, as are Father and Mother #2, and Father and Mother #3.) 
You do each PCR reaction and load each one into a separate well of an agarose gel, and then run the gel.
 

 
Why is it that some people show two bands?

#Unit 13. Methods in Biology
  1. They are heterozygotes at this region.
  2. They are homozygotes at this region.
  3. Because longer the DNA fragments.
  4. Because the more repeats is found.

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#Question id: 10932

#Unit 7. System Physiology – Animal

A 62-year-old man complains of headaches, visual difficulties, and chest pains. His examination shows a red complexion and a large spleen. His complete blood count follows: hematocrit, 58%, WBC 13,300/μl, and platelets 600,000/μl. His arterial oxygen saturation is 97% on room air. Which of the following would you recommend as a treatment?

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#Question id: 10938

#Unit 7. System Physiology – Animal

A 45-year-old woman developed fatigue in July and had blood counts that were reported to be normal. She was hospitalized because of a very severe headache in December, and was found to have a blood pressure of 175/90. Her laboratory values were as follows: hemoglobin (8.3 g/dL), RBC count (2.2 × 10^6/μl), Hct (23%), MCV (89 fL), WBCs (5100/μl), platelets (262 × 10^3/μl), and reticulocyte count 0.8%. What is the diagnosis for this patient?

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#Question id: 10939

#Unit 7. System Physiology – Animal

After a person is placed in an atmosphere with low oxygen, how long does it take before there are increased numbers of reticulocytes?

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#Question id: 10940

#Unit 7. System Physiology – Animal

Adhesion of white blood cells to the endothelium is

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#Question id: 10941

#Unit 7. System Physiology – Animal

In a normal healthy person, which of the following blood components has the shortest life span?

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#Question id: 10942

#Unit 7. System Physiology – Animal

A 45-year-old man presents to the emergency room with a 2-week history of diarrhea that has gotten progressively worse over the last several days. He has minimal urine output and is admitted to the hospital for dehydration. His stool specimen is positive for parasitic eggs. Which type of WBCs would have an elevated number?