A child's blood group is 'O'. The parent's blood groups cannot be:
Correct answer: C. AB and O
- A. A and B
- B. A and A
- C. AB and O
- D. B and O
Explanation
O blood group of a child cannot be obtained from the parents having blood group O × AB. The parents blood groups may be A × O, A × B, B × O, B × A, O × A and O × B.
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
The genes, which remain confined to differential region of Y-chromosome, are:
The most striking example of point mutation is found in a disease called:
The phenomenon, in which an allele of one gene suppresses the activity of an allele of another gene, is known as:
The colour blindness is more likely to occur in males than in females because:
Mr. Kapoor has Bb autosomal gene pair and d allele sexlinked. What shall be proportion of Bd in sperms?
Of a normal couple, half the sons are hemophiliac while half the daughters are carriers. The gene is located on: