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ch4aika [34]
3 years ago
13

How is the continental crust different from the oceanic crust?

Biology
2 answers:
Fed [463]3 years ago
4 0
I believe the answer might be A
Ratling [72]3 years ago
3 0
The answer is A hope this helps
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What are fossils and how do they support Darwin's ideas?
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<span>Darwin essentially argued that living things are engaged in a 'struggle for existence' and that any features they possess which affect their survival and reproductive potential will be subjected to continuous selective pressure. This might be seen as his 'new big idea' in the whole evolution thing. This means that through time those features which confer an advantage in the struggle for life will be retained and those that constitute a handicap will be lost. Not for individuals but for the race. So the composition of the population (or species) changes through time, eventually producing such widely divergent forms that cannot interbreed, and are so called separate species. That is a brief outline of the theory.</span>
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Which cell structure is referred to as the gatekeeper because it directs substances to move into and out of the cell? a cell wal
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The answer would be A
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Which should a person eat if she wants the fastest supply of energy? A. Disaccharide B. Glucose C. Starch D. Lipid
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6 0
4 years ago
Suppose a gene has two alleles, one of which is dominant over the other. An individual whose genotype is for the recessive allel
Trava [24]

Answer:

This question is incomplete, the options are:

A. Two copies of the allele that determines phenotype whenever the allele is present

B. Two copies of the allele whose effect is hidden unless the other allele is absent

C. One copy of the allele that determines phenotype when present and one copy of the other allele

D. One copy of each of two alleles that both contribute equally to determining phenotype

The answer is B.

Explanation:

According to Gregor Mendel, a Gene comes in two alternative forms called ALLELES. One allele called the DOMINANT ALLELE is capable of masking the phenotypic expression of the other called the RECESSIVE ALLELE. The dominant allele will always express itself whenever it is present. However, a recessive trait will only be expressed when two alleles for recessiveness occur in the gene.

An individual whose genotype is for the recessive allele will have two copies of the allele whose effect is hidden unless the other allele is absent. This means that in that particular gene, the two present alleles will be recessive alleles.

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4 years ago
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Explanation:

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