Answer:
Renewable energy sources lead to sustainable energy production whereas non-renewable energy does not. • The extraction and production of energy from renewable energy sources are expensive and difficult when compared to fossil fuel extraction.
Explanation:
I believe the answer would be the inheritance of units or factors from both parents.
Below are the choices:
(1) a nucleus
<span>(2) a chromosome </span>
<span>(3) a protein molecule </span>
<span>(4) an enzyme molecule
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In the nucleus. However since chromosomes are in the Nucleus they contain the <span>DNA a cell needs to survive. This is why it is in the Nucleus.
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Explanation:
when dogs breed the mother and father each randomly contribute one allele from each locus giving each allele 50% chance of being passed down to the pups. one of the alleles at each locus is dominant and determines the traits like coat color
