Refer to the figure showing an experiment using selectable marker (reporter) genes. 
Some cells are resistant to ampicillin and sensitive to tetracycline, some are sensitive to both antibiotics, and some are resistant to both.Which of these cell types should be the lowest in proportion in this experiment, and why?
Definitions:
Microcredit Lending
A type of financing that provides small loan amounts to entrepreneurs or individuals in low-income regions to promote economic development and reduce poverty.
Social Business
A type of business model that aims to solve social problems through innovative solutions while being financially self-sustainable.
Business Model Innovation
Refers to the process of making substantial and valuable changes to a company's core operations, strategies, and value propositions to improve performance and create competitive advantage.
Environmental Uncertainty
The degree to which an organization lacks information about its external environment, which makes decision-making difficult.
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