The simplest answer would be to look at a punnet square. it gives you the random chance that a trait gets passed on to offspring. it's made off probability of dominant and recessive genes. But it's random in the end.
The contamint would evaporate
The answer to your question is B.
Malaria is transmitted among humans by female mosquitoes of the ... The successful development of the malaria parasite in the mosquito (from ... The adult stage is when the female Anopheles mosquito acts as <span>malaria vector</span>.