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Leni [432]
3 years ago
15

How to ensure validity in a investigation​

Biology
2 answers:
adell [148]3 years ago
8 0

Answer:

through the scientific method until reaching a conclusion

Allushta [10]3 years ago
4 0

Answer:

s ethrtzhzrt hj fxtj fxtExplanation:

jxft jxtfj

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Use the four population pyramids above to answer the question. Which country's population is
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the allele for white fur is revessive and the allele for normal fur is dominant the frequency for the normal fur allele is 0.60.
Mariulka [41]

Answer:

36% of wolves have normal fur.

Explanation:

Given , the allele for white fur is recessive and the allele for normal fur is dominant

Let "N" represents the allele for normal fur and "n" represents the fur for white fur.

As per Hardy Weinberg's principle, the frequency for dominant allele is represented by "p"

Given ,

p = 0.60\\

Then frequency for dominant genotype will be "p^2"

So, Frequency for wolves with normal fur is

p^{2} \\0.60^2\\0.36

Percentage of the wolves with normal fur is

0.36*100\\= 36%

 

6 0
3 years ago
How is the muscularis externa modified in the stomach? how is the muscularis externa modified in the stomach? the muscularis ext
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The correct layer is "<span>there is an additional third oblique layer of smooth muscle".

The muscularis externa of the stomach is purely smooth muscle (no skeletal muscles or other striated muscles) composed of three layers; inner oblique, middle circular, and external longitudinal layers. Plicae circularis can only be found in the intestines, not in the stomach.</span>
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