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Which of the following larva forms of Fasciola hepatica cause polyembryony?

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Which of the following larva forms of Fasciola hepatica cause polyembryony?

(a) Miracidium and Sporocyst larva

(b) Cercaria and Metacercaria larva

(c) Sporocyst and Rediae larva

(d) Metacercaria and Rediae larva

I had been asked this question in homework.

This intriguing question comes from Helminthic Diseases in Humans-2 in division Human Health and Disease of Biology – Class 12

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Right option is (c) Sporocyst and Rediae larva

To explain: Sporocyst and Rediae larva of Fasciola hepatica show Polyembryony. As Germ Cells in the Sporocysts and Rediae are direct descendants of the zygote. These germ cells multiply mitotically and produce subsequent larval stages within the Sporocysts and Rediae. This process of reproduction in the Sporocyst and Rediae is called as Polyembryony.

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