TLS Online TPP Program

#Question id: 4760


you set up a cross between true breeding wild type male fruit flies and true breeding female flies with a yellow body color. you notice in the f1 generation that half the flies, specifically all the males, have yellow body color while the females are wild type (gray). which of the following explanations is the most likely?

#SCPH12 I Genetics
  1. some of your females had already mated with yellow males before you collected them.

  2. some of your parental flies must have had a new mutation in their germ cells.

  3. the mutation which causes yellow body color is on the x chromosome.

  4. the mutation which causes yellow body color is on the y chromosome

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TLS Online TPP Program

#Question id: 10938

#I Life Science/ Life Sciences Group – I-V

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?

TLS Online TPP Program

#Question id: 10938

#SCPH28 | Zoology

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?

TLS Online TPP Program

#Question id: 10939

#SCPH28 | Zoology

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

TLS Online TPP Program

#Question id: 10940

#I Life Science/ Life Sciences Group – I-V

Adhesion of white blood cells to the endothelium is

TLS Online TPP Program

#Question id: 10940

#SCPH28 | Zoology

Adhesion of white blood cells to the endothelium is

TLS Online TPP Program

#Question id: 10941

#I Life Science/ Life Sciences Group – I-V

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