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kenny6666 [7]
3 years ago
11

Suggest one advantage and one disadvantage ofusing a dichotomous key to identify something.​

Biology
1 answer:
prisoha [69]3 years ago
7 0
Advantage: Dichotomous keys are very useful because they allow non-expert users to identify organisms by directing them to look at the known, important organisms. Disadvantage: Disadvantage of dichotomous keys is that if a single wrong decision is made at any juncture, a wrong identification will result. Sometimes it becomes obvious that an error has been made, and you can retrace your steps until you get back on the right track, but this is not always the case
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Answer:

D

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3 years ago
List eight major classes of primary outdoor pollutants
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Outdoor air pollution is a complex mixture of several pollutants, the common sources of outdoor pollution are emissions caused by combustion processes from motor vehicles, solid fuel burning and industry. 
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Suppose a diploid mosquito is completely heterozygous at all 6 of its chromosomes (2n = 6). How many different combinations of g
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Answer:

8 different combinations of gametes can be produced by this mosquito, assuming no homologous recombination between chromosomes

Explanation:

The mosquito has 6 chromosomes. This means that means it has 3 pairs of homologous chromosomes. Basically, we can assume the number of different gametes by 2 to the power of 3 as their are 3 homologous pairs. This means 2×2×2 which will be equal to the amount of eight. Hence, eight different combination of gametes will be produced.

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3 years ago
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True that should be the answer

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4 years ago
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