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VMariaS [17]
3 years ago
12

What purpose would a scientists need to extract DNA?

Biology
2 answers:
fiasKO [112]3 years ago
8 0

Answer:

if someone were to commit a crime and there were 3 leads and one piece of evidence, the 3 people would have to be extracted of some dna and so would the piece of evidence, and the person that matches the dna on the evidence would be tied to the crime

Dahasolnce [82]3 years ago
8 0
One purpose would be to check for any mutations or “bad” alleles
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A Punnett square would help here. 

Let's say (R) is dominant red and (r) is recessive red, aka yellow. 

You start with F1 hybrid flowers that are all (Rr) - these are all <em>orange</em>. So when they reproduce, both parents are (Rr). When you create a Punnett square, you'll see that the results for the F2 generation are (RR), (rr), and (Rr) twice. 

(RR) is red, (rr) is yellow, and (Rr) is orange, just like the F1 generation.
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