Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 42976
TLS Online TPP Program

#Question id: 13105

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 on chromosome 15 and load each one into a separate well of an agarose gel, and then run the gel.
  

Given the data so far, for which of the following statement is correct

#SCPH05 I Biotechnology
  1. Baby A is legitimate child of given parents because it has a band @ n=25 and there is only one set of parents that could have given a chromosome 15 with n=25 to their offspring, couple #3
  2. Baby B is legitimate child of given parents because it has a band @ n=25 and there is only one set of parents that could have given a chromosome 15 with n=30 to their offspring, couple #2
  3. Baby C is legitimate child of given parents because it has a band @ n=30 and there is only one set of parents that could have given a chromosome 15 with n=25 to their offspring, couple #1.
  4. Baby A is legitimate child of given parents because it has a band @ n=35 and there is only one set of parents that could have given a chromosome 15 with n=35 to their offspring, couple #3.

More Questions
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?
TLS Online TPP Program

#Question id: 10941

#SCPH28 | Zoology

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

#Question id: 10942

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

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?
TLS Online TPP Program

#Question id: 10942

#SCPH28 | Zoology

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?
TLS Online TPP Program

#Question id: 10943

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

An 8-year-old male is frequently coming to the clinic for persistent skin infections that do not heal within a normal time frame. He had a normal recovery from the measles. Checking his antibodies following immunizations yielded normal antibody responses. A defect in which of the following cells would most like be the cause of the continual infections?