Answer: Medication can be tested on the cancer culture before being injected into the patient.
Every person has two copies of each gene, one inherited from each parent. Most genes are the same in all people, but a small number of genes (less than 1 percent of the total) are slightly different between people. Alleles are forms of the same gene with small differences in their sequence of DNA bases. These small differences contribute to each person’s unique physical features.
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Answer:
A.the flow of energy between organisms in an ecosystem
Because electrons are “pulled” towards the oxygen.
