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Plasmodium reproduces by

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Plasmodium reproduces by

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Solution

Plasmodium, the parasite that causes malaria, has a complex life cycle that involves several stages of reproduction. Here are the steps:

  1. Sexual Reproduction: This occurs in the mosquito's gut. When a mosquito bites an infected person, it ingests the Plasmodium gametocytes (the sexual form of the parasite). In the mosquito's gut, these gametocytes mature into male and female gametes, which fuse to form a zygote. The zygote then becomes an ookinete, which penetrates the gut wall and forms an oocyst.

  2. Asexual Reproduction: Inside the oocyst, the parasite undergoes a process called sporogony, producing thousands of haploid cells called sporozoites. When the oocyst bursts, these sporozoites are released into the mosquito's body cavity and make their way to its salivary glands. When the mosquito bites a human, the sporozoites are injected into the bloodstream.

  3. In the human host, the sporozoites travel to the liver and invade liver cells, where they undergo another round of asexual reproduction (schizogony). Each infected liver cell produces thousands of new parasites, which are released into the bloodstream when the cell bursts.

  4. In the bloodstream, the parasites invade red blood cells and undergo another round of asexual reproduction. The newly produced parasites are released when the red blood cell bursts, ready to invade more red blood cells and continue the cycle.

So, Plasmodium reproduces both sexually (in the mosquito) and asexually (in the human host).

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