Answer:
A person who receives a gene for sickle cell disease from one parent and a normal gene from the other has a condition called "sickle cell trait." Sickle cell trait produces no symptoms or problems for most people. Sickle cell disease can neither be contracted nor passed on to another person.
Answer: a haploid chromosome set from each parent
Explanation:
I infer this from the question which was “Offspring that result from sexual reproduction each have”
Answer:
Anomeric carbon comes from the corresponding aldehyde or ketone