Toxoplasma gondii undergoes sexual reproduction only in which host?

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Multiple Choice

Toxoplasma gondii undergoes sexual reproduction only in which host?

Explanation:
Toxoplasma gondii completes its sexual cycle only in the gut of definitive hosts, which are felids. Domestic cats are the classic example. In the cat’s intestinal cells, the parasite undergoes sexual reproduction and produces oocysts, which are shed in the feces. These oocysts then sporulate in the environment and become infectious. In other animals, including humans, dogs, and pigs, the parasite cannot complete the sexual cycle; it remains in an asexual stage and forms tissue cysts, spreading mainly through ingestion of oocysts or tissue cysts but not producing new oocysts. That’s why the host where sexual reproduction occurs is domestic cats.

Toxoplasma gondii completes its sexual cycle only in the gut of definitive hosts, which are felids. Domestic cats are the classic example. In the cat’s intestinal cells, the parasite undergoes sexual reproduction and produces oocysts, which are shed in the feces. These oocysts then sporulate in the environment and become infectious. In other animals, including humans, dogs, and pigs, the parasite cannot complete the sexual cycle; it remains in an asexual stage and forms tissue cysts, spreading mainly through ingestion of oocysts or tissue cysts but not producing new oocysts. That’s why the host where sexual reproduction occurs is domestic cats.

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