One Would Think That Deleterious Genes Would Be Eliminated by Natural

question 17

Essay

One would think that deleterious genes would be eliminated by natural selection,yet we have two human genetic disorders with a high carrier frequency,sickle-cell anemia and cystic fibrosis.Why has this high frequency for these conditions remained in the population?

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Definitions:

Indirect NCI

Stands for Indirect Non-Controlling Interest, which refers to the ownership interest in a company held by investors that do not have control or significant influence over the company.

Direct NCI

Direct non-controlling interest (NCI) refers to the portion of equity in a subsidiary not held directly by the parent company, giving those external shareholders a proportional share of the entity's net assets and profits.

Economic Entity

An organizational unit for which it is possible to separate financial information and which conducts economic activities independently.

Consolidated Financial Statements

The financial statements of a group in which the assets, liabilities, equity, income, expenses, and cash flows of the parent and its subsidiaries are presented as those of a single economic entity.