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Alchen [17]
4 years ago
12

What is the significance of chitin in arthropods?

Biology
1 answer:
yKpoI14uk [10]4 years ago
5 0
 <span>The significance of chitin in arthropods is Chitin is a structural carbohydrate that forms their exoskeleton. </span>
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Which of the following ideas is supported by Darwin's observation of local variation among tortoises in the Galapagos Islands A)
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Adaptation is supported by Darwin's observation of local variation among tortoises in the Galapagos Islands.

 

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The correct answer between all the choices given is the second choice or letter B. I am hoping that this answer has satisfied your query and it will be able to help you in your endeavor, and if you would like, feel free to ask another question.

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6 0
4 years ago
. Based on your calculations of the probability of their child getting sickle cell disease, what is your advice? Show your calcu
Afina-wow [57]
Is there a picture with this question? It seems like there's background information which isn't being shown here.

Pedigrees are basically a map of alleles for family trees
 
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                  I                I                  I                 I
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   Person7 Person8                 Person9   Person10  Person11

And under everyone's name you write their alleles.

Punnett squares give the probability of someone having genes based on their parents' genes.
 
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                             AA      Aa                                                       aa      aa

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