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Contact [7]
3 years ago
12

True or False. To complete a punnett square, you need to know the genotypes of the parent organisms.

Biology
1 answer:
zlopas [31]3 years ago
7 0
True, 
genotypes are the genes of an organism for one specific trait 
so without them you would not be able to predict the offspring thus defeating the purpose of the punnett square
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Please help me with both questions 20 and 21
scoundrel [369]
20.4      21.3 are the correct answers
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A "mystery molecule" was isolated in a laboratory and scientists found that the molecule readily crossed artificial membranes. W
Arlecino [84]

<u>Answer</u>:       D. calcium chloride

<em>Calcium chloride molecules can be ruled out as the mystery molecule</em>

<u>Explanation:</u>

<em>Artificial membranes are also called as the synthetic membranes.</em> It is created synthetically for the <em>special separation purpose in the laboratory. </em>

It is used to separate large molecules like <em>solid particles and big biological molecules like protein, DNA. </em>

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Vedmedyk [2.9K]

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they may go ictenct

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