A) <u>Mutation</u> is the original source of variations for plants and other organisms which develops differences among their respective species
Explanation:
Genetic variation leads to the natural differences between each individual and among individuals of a species. The main cause for this variation is due to alleles that cause variations in the composition of genes or the DNA sequences.
A mutation is a genetic variation which leads to the creation of a new allele in a species population. Each variation in the DNA sequence leads to an allele formation and each allele leads to a difference in character or trait between individuals since they are the alternate version of the original genes.
Although genetic variations could be brought about by crossing over, random fertilization, or independent assortment; mutation is the original source because it provides the basic raw material for all the evolutionary changes.
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during time periods where algae is not readily available as a food supply, survive for months.
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Patients with diabetes who have mutations in mtDNA or mitochondria related nuclear DNA, largely show impaired pancreatic β‐cell insulin secretory function. This is because ATP generated from mitochondria is the key factor that couples the blood glucose level with insulin secretion.
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Your answer is <span>D. asexual reproduction.
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