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Mashcka [7]
3 years ago
14

Terri lost her water bottle while hiking in Canada it was a hot day so she drank water from a stream to stay hydrated a few days

later Terri became ill with abdominal pain fever and diarrhea her doctor thinks she has a protozoan infection how do you think Terri became infected
Biology
1 answer:
hammer [34]3 years ago
8 0

Answer:

She got infected through the water she drank at the stream.

Explanation:

Protozoa is a type of pathogenic microorganisms.

Giardia are flagellate protozoa that cause the disease called giardiasis. The parasites enters the body through ingestion of contaminated food or water The food or water are usually contaminated by the feces of infected people or animals.

The protozoa attach to the lining of the host’s small intestine, where they prevent the host from fully absorbing nutrients. They may also cause diarrhea, abdominal pain, and fever.

The symptoms in the question above points to a likelihood that Terri’s sickness was caused by a Giardia protozoa.

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The correct answer is 50%, or 1/2. We know that round seeds are dominant, since the round pea plant has a genotype of Rr and the wrinkled pea plant has a genotype of rr. If it helps, draw a Punnett square with the two genotypes.

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Therefore, 2 out of 4 of the pea plants have round seeds, since a genotype of Rr means that a plant will have round seeds, and 2 out of 4 will have wrinkled seeds, since a genotype of rr means that a plant will have wrinkled seeds. 2/4 simplifies to 1/2, or 50%. Therefore, there is a 50% chance that the offspring will have wrinkled seeds.

Hope this helps!


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