Answer:
hi!
Explanation:
If 2 parents are carrying sickle cell with them, if there child receives 1 different copy from each of the parents, they have sickle cell. but those parent's who are carrying the sickle cell do not get it, they can only pass it down. So if a child gets a Sickle cell gene (S), and a sickle cell gene (A) they get sickle cell.
I hope this helped! If it didnt, ill fix my answer! just let me know!
Answer: b
Explanation:
Dominant lethal alleles can be passed down if the individual can live to a reproductive age. The individual can then have children and can possibly pass down the lethal allele
Cells create tissues which create organs which make up systems so i believe the answer is D i hope this helps :)
Physical arousal can facilitate passionate love. It is a naturally occurring and deeply embedded trait found within the DNA of living organisms. The purpose of such is the need to propagate the species in order to ensure its survival in the long run of evolution.
