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Kamila [148]
4 years ago
13

Nicotine paralyzes the cilia on the surfaces of upper respiratory passages and prevents them from

Health
2 answers:
irina1246 [14]4 years ago
8 0
...cleaning foreign matter that enters the air passageway.
oee [108]4 years ago
4 0
The answer is it keeps it from keeping the lungs clean
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If two people who are heterozygous for the PKU allele have a child with PKU, what is the likelihood their next child will have P
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Explanation:

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If we let the allele causing PKU be “p” and the normal allele be “P”, the affected individual must have “pp” combination. If both parents are heterozygous, this means the have “Pp” combination and therefore the result in their progeny will be the following:

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This pattern will repeat itself every time they try to have a child.

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