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umka21 [38]
3 years ago
15

Which activity would be an appropriate first step in designing an experiment

Biology
2 answers:
horrorfan [7]3 years ago
7 0
Form an hypothesis and set up an outline for the experiment.
mrs_skeptik [129]3 years ago
6 0
Well, if you look at the scientific process, the first step is to have a question to base it on.
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Answer:

Option (B).

Explanation:

The relationship between closely related species can be studied by their evolutionary tree. The two species are closely related if they have similar characteristics and nucleotide sequence.

Species A has the DNA sequence TAGCTTAGGGACGG  whereas species B has the DNA sequence TACCTTAGGGACGG. These two species have identical nucleotide sequence with minor differences. Hence, these two species are closely related with each other.

Thus, the correct answer is option (B).

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