This is the First Law of Thermodynamics. It's also called the Law of Conservation of Energy.
Alleles can be recessive or dominant, when this happens the dominant allele is expressed. However, neither a nor b blood group is a recessive allele, so both are expressed in the individual.
The answer is in the picture. I hope this helps you.
Malaria is transmitted when an infected female Anopheles mosquito. These are the only mosquitos that can spread malaria. It can also get transmitted when the mosquito drinks from an infected person, and thus they pass it on to their next victim.
