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ozzi
3 years ago
11

How do all multicellular organisms begin? A. as complex organisms B. as a single cell C. by expanding the size of their cells D.

by creating all their cells at one time
I believe it is b 
Biology
1 answer:
exis [7]3 years ago
4 0
<span>B is the correct answer. Multicellular organisms, as with almost all organisms, begin life as a single cell. The increase in the number of cells can be as a result of cell division or cells combining together. </span>
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Which of these elements has an oxidation state of -1?
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Where does snow come from?
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Snow is precipitation in the form of ice crystals. It originates in clouds when temperatures are below the freezing point 0 degrees Celsius or 32 degrees fahrenheit.

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9. Which of the following is used as evidence for global warming?
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Answer:

global glacier mass

Explanation:

<em>The shrink or reduction in the volume of the global glacier mass is one of the evidence of global warming.</em>

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3 years ago
Black coat color in horses is conferred by the presence of a dominant B allele. Chestnut horses are genotype bb. A population of
AysviL [449]

Answer:

Frequency of B allele is 0.6681

Explanation:

If p represents the frequency of dominant allele and q represents the frequency of  recessive allele, according to Hardy-Weinberg equilibrium:

p + q = 1

p² + 2pq + q² = 1

where p² = frequency of homozygous dominant genotype

q² = frequency of homozygous recessive genotype

2pq = frequency of heterozygous genotype

Given that number of recessive chestnut horse = 28

Total horses = 226 + 28 = 254

frequency of b² genotype = 28/254 = 0.1102

frequency of recessive b allele = √0.1102 = 0.3319

So, frequency of B allele =

1 - 0.3319 = 0.6681

Hence frequency of B allele is 0.6681

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