How does the mosquito transmit malaria from an ill person to a healthy person?
A)Plasmodium is taken up from one person's blood and squirted back out into the next person.
B)Plasmodium gametocytes are taken up from one person's blood and cross into the saliva duct to be reinjected into the next person.
C)Plasmodium gametocytes are taken up from one person's blood,fuse to form a zygote that becomes a motile ookinete that enters the saliva ducts.
D)Plasmodium gametocytes are taken up from one person's blood,fuse to form a zygote that becomes a motile ookinete,that crosses the stomach wall,forms an oocyst that undergoes sporogony and the sporozoites then migrate to the saliva ducts to be injected into the human host.
E)Plasmodium gametocytes are sucked from one person's blood,form an oocyst that undergoes sporogony and the sporozoites migrate across the stomach lining to the saliva ducts.

Question

Quizplus · Accepted Answer

When a mosquito feeds on the blood of an infected person, it ingests Plasmodium gametocytes. These gametocytes differentiate into gametes, which fertilize each other within the mosquito's midgut, forming a zygote. The zygote becomes a motile ookinete, which then crosses the stomach wall and forms an oocyst. Within the oocyst, sporogony (meiosis and mitosis) occurs, resulting in the production of thousands of sporozoites. These sporozoites migrate to the mosquito's salivary glands, where they can be injected into a new host when the mosquito bites again.

How Does the Mosquito Transmit Malaria from an Ill Person