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Allisa [31]
3 years ago
12

In cell signaling how is the flow of ions regulated

Biology
1 answer:
anzhelika [568]3 years ago
6 0
The opening and closing of ligan-gated ion channels
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Brown fur is dominant to white fur in mice. in a population of mice, 64% have brown fur and 36% have white fur. based on these f
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<span>a.       </span>The frequency of the dominant allele: ___0.4______

<span>b.      </span>The frequency of the recessive allele: ____0.6_____

<span>c.       </span>The percentage of mice that are homozygous dominant: __16%_______

<span>d.      </span> The percentage of mice that are heterozygous: _48%________

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Let us assign the dominant allele (that of brown hair) letter R while

We assign the recessive allele (that of white hair) letter r

We then note down the Hardy-Weinburg equation p2 + 2pq + q2 = 1

Brown fur population (p2 + 2pq) = 64% = 0.64

White fur population (q2) = 36% = 0.36

Then we also remember that the frequencies of both allele add up to 1 (p + q = 1);

Therefore q = ü.36 = 0.6

P = 1 – q = 1 – 0.6 = 0.4

The heterozygous population will be 2*0.6*0.4 = 0.48 =  48%

Homozygous domain population will therefore be (64% - 48%) = 16%






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