A person eating undercooked pork ingests a single tapeworm larva.Several months later, the person's feces contain tapeworm proglottids, which contain thousands of tapeworm embryos.What is the most likely explanation for this?
A) Tapeworm sperm, already present in the person's intestine, fertilized eggs when they were released from the adult tapeworm that developed from the ingested larva.
B) Tapeworm eggs, already present in the person's intestine, were fertilized when sperm were released from the adult tapeworm that developed from the ingested larva.
C) The adult tapeworm that developed from the ingested larva reproduced by budding.
D) The ingested larva underwent meiosis to produce both male and female adult tapeworms.
E) The adult tapeworm that developed from the ingested larva produced both eggs and sperm, and reproduced by self-fertilization.
Correct Answer:
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