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Home Q & A Board Biology-Related Homework Help General Biology
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gundem gundem
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11 years ago
3. Some food dyes have been identified as chemical mutagens.

a) One yellow dye causes single substitution mutations and another red dye caused large deletions. Which is the more dangerous mutagen? Explain (3 marks)

b) Would these dyes poses a greater danger for a developing fetus or for an adult? ( 2 marks)


4. The deer tick, Ixodes dammini, feeds on white-tailed deer and occasionally bites people. Lyme disease is spread by the bite of ticks that are carrying the bacteria Borrelia burgdorferi. Today the only area in Ontario with a risk of lyme disease is Long Point on the shore of Lake Erie. In order to decrease the incidence of Lyme disease in this area authorities have sprayed a pesticide to kill the deer tick.

a) Would the removal of the deer tick from this area have any impact on the deer population? Explain why or why not. (2 marks)

b) Suggest another strategy that could reduce the risk of acquiring this disease?  (1 mark)
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bio_manbio_man
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11 years ago
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gundem Author
wrote...
#2
11 years ago
a) Would the removal of the deer tick from this area have any impact on the deer population? Explain why or why not.
Actually White-tailed deer do not develop the disease when infected with Borrelia burgdorferi, and so the deer population would remain the same as these ticks dont pose a threat to the deer. Face with Stuck-out Tongue
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#3
Educator
11 years ago
thanks for catching that, but were the others correct?
gundem Author
wrote...
#4
11 years ago
Yes I believe so  Grinning Face
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