C. would be the best answer. She is reasoning with her sister's history and making it seem like hers will be the same.
Assuming type a would be an AA allele and type b is a BB allele, No because an AA mother with an AB father wont make a BB child.
Answer: include bacteria, viruses, and parasites. Bacteria and viruses are responsible for most foodborne illnesses
Explanation: I hope this helps.
B and A are the correct answers