If a person has A blood and has a child with someone that has B blood, can they have a child with O blood? Which of the following is TRUE.

Yes, they can have a child with O blood, if both parents have a recessive gene.

No. A person with A blood and B blood will have children with AB blood only

No. A person with A blood and B blood will have children with either A or B blood.

Yes, they can have a child with O blood, if both parents have a recessive gene.

Yes, they can have a child with O blood, if one parent has a recessive gene.

Blood Physiology Trivia Quiz

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| Written by Kwchiro

Kwchiro

Community Contributor

Quizzes Created: 40 | Total Attempts: 312,648

Questions: 5 | Attempts: 5,179 | Updated: Mar 22, 2023

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Questions and Answers

1.

After using a centrifuge, which part of blood contains the Red Blood Cells?
- A.
  
  Plasma
- B.
  
  Serum
- C.
  
  Hematocrit
- D.
  
  Top layer
Correct Answer
C. Hematocrit

Explanation
After centrifuge, the Red blood cells will be on the bottom of the tube. Plasma is the portion without cells, but with clotting factors.
Serum: without cells or clotting factors.

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2.

Which blood cell(s) contain a nucleus? I: Red blood cells II: White blood cells III: Platelets
- A.
  
  I, only
- B.
  
  II, only
- C.
  
  II and III, only
- D.
  
  I, II, and III
Correct Answer
B. II, only

Explanation
Platelets are only a portion of a cell — no nucleus.
Mature Red blood cells — found in the blood stream — do NOT have nuclei.
White blood cells contain a nucleus.

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3.

Who discovered the blood groups (A, B, AB and O)?
- A.
  
  Lansteiner
- B.
  
  Daubert
- C.
  
  Frye
- D.
  
  Watson and Crick
Correct Answer
A. Lansteiner

Explanation
Landsteiner discovered the blood groups
Watson and Crick discovered the shape of the DNA molecule.

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4.

If a person has A blood and has a child with someone that has B blood, can they have a child with O blood? Which of the following is TRUE.
- A.
  
  No. A person with A blood and B blood will have children with AB blood only
- B.
  
  No. A person with A blood and B blood will have children with either A or B blood.
- C.
  
  Yes, they can have a child with O blood, if both parents have a recessive gene.
- D.
  
  Yes, they can have a child with O blood, if one parent has a recessive gene.
Correct Answer
C. Yes, they can have a child with O blood, if both parents have a recessive gene.

Explanation
If each parent has a recessive gene (A i and B i), then they can have a child with two receive (i i) genes.

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5.

What is the probability that a person has A positive blood?
- A.
  
  42% x 85% = 3,570%
- B.
  
  (.42 x .85) x100 = 35.7%
- C.
  
  .42 x .85 = 0.357
- D.
  
  .42 + .85 = 1.27%
Correct Answer
B. (.42 x .85) x100 = 35.7%

Explanation
The probabilities must be multiplied together. Change first to decimal, then back to % by multiplying by 100.

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Blood Physiology Trivia Quiz

After using a centrifuge, which part of blood contains the Red Blood Cells?

Which blood cell(s) contain a nucleus? I: Red blood cells II: White blood cells III: Platelets

Who discovered the blood groups (A, B, AB and O)?

If a person has A blood and has a child with someone that has B blood, can they have a child with O blood? Which of the following is TRUE.

What is the probability that a person has A positive blood?