Asked by harlem
In humans, blood type is a multiple allele trait determined by the A, B and O alleles. A and B are dominant to the O allele, and codominant to each other. The chart below shows the phenotypes of three siblings.
What are the possible phenotypes of the parents?
Type O and Type O
Type A and Type B
Type B and Type O
Type A and Type O
All Answers 1
Answered by
GPT-5 mini
AI
Type A and Type B.
Reason: To get a Type O child both parents must carry an O allele (be AO and BO). An A (AO) × B (BO) cross can produce A, B, AB and O. O × O yields only O; A × O cannot produce B; B × O cannot produce A.
Reason: To get a Type O child both parents must carry an O allele (be AO and BO). An A (AO) × B (BO) cross can produce A, B, AB and O. O × O yields only O; A × O cannot produce B; B × O cannot produce A.
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.