Which of the following blood groups is considered a universal donor?
Correct answer: B. O-ve
- A. AB+ve
- B. O-ve
- C. AB-ve
- D. O+ve
Explanation
O-negative RBCs lack A, B and Rh-D antigens, so they are least likely to provoke a hemolytic reaction and are used as universal emergency RBC donors.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? [email protected]
About Inheritance
Mendel's laws explain segregation, independent assortment and the prediction of genetic ratios using alleles, genotypes and phenotypes. The chapter also covers linked genes, recombination and crossing over during meiosis, then applies pedigree reasoning to X-linked recessive traits, which show different inheritance patterns in males and females.
Practise Inheritance
1,238 free Inheritance MCQs from Biology, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Discussion
Stuck on an option, or know a faster way to get there? Ask or explain it here.
No comments yet. Be the first to explain this one.
Exams that ask Biology questions like this
Biology is on 8 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.
More Inheritance questions
A man having blood group O marries a woman having blood group A whose father was also O. What is the probability of 'O' in their offspring?
Which of the following blood groups is not possible in a person whose father is of blood group O?
ABO blood grouping is controlled by gene I, which has three alleles, and there are six genotypes. How many phenotypes are possible?
Blood group antigens can be found in:
Which one of the following is multiple allelic character?
If Sara has blood group O. The genotype of her mother and father is possible: