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kari74 [83]
2 years ago
10

Artificial selection involves enhancing the natural characteristics of a species

Biology
2 answers:
Aleksandr [31]2 years ago
7 0
I believe that’s true
Andrews [41]2 years ago
5 0
True true ttrttttt ttttttttttttttt
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3 years ago
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I need help, I don't understand this, so please try to explain?
Vinvika [58]

Answer:

Yeah, so basically the image is showing restriction enzymes. The job of restriction enzymes is mainly involved in research when scientists use them for cloning human genes. But that's besides the point...

Main thing you have to understand is that restriction enzymes cut at very specific places along DNA sequences. If you look at the restriction enzyme Rsa 1, you can notice that it cuts only between a thymine nucleotide base and an adenine nucleotide base. Next, if ya look at Sty 1 (be careful b/c W can represent adenine or thymine), it cuts only between two directly adjacent cytosine nucleotide bases!

SO.... if we go to Rsa 1, we can find the answers by dividing up the sequences between the pattern we saw in the gray box. It only cuts between adenine and thymine bases. Based on that, we can find the number of fragments created, and the segment lengths (basically just like how many nucleotide bases are in each strand). Hope ya found this helpful!

3 0
3 years ago
Easy questions, easy points​
777dan777 [17]

Answer:

Pretty sure they're both A.

6 0
2 years ago
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Under what environmental conditions would a zygote not undergo meiosis
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A zygote will not undergo meiosis in an environmental state that is not favorable for the zygote’s survival i.e. the chance of the zygote to survive is not certain. Take for example, chlamydomonas will form a zygote under normal asexual mitotic reproduction in a favorable environmental condition. However, under unfavorable environmental conditions the organism also reproduce sexually to form a zygote but will never proceed to meiotic division because of the unfavorable environmental state.

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Why is it unlikely that one gamete would have the “best” traits of both parents
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The best trait isnt always dominate

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