[Solved] What is the greatest benefit of using a testcross to determine an unknown genotype? A) The homozygous recessive parent is obvious to the naked eye. B) The homozygous parent is the only one whose crossovers make a difference. C) A progeny's phenotype reflects the contribution from the heterozygous parent. D) All of the progeny will be heterozygous. Common Stock: Represents equity ownership in a corporation, giving holders voting rights and a share in the company's profits via dividends. Risk-Free Rate: The hypothesized return rate of a risk-less investment, often exemplified by the yield found in government securities. Market Risk Premium: The increased earnings expected by an investor for choosing a risky market portfolio over assets with no risk. Preferred Stock: A class of ownership in a corporation that has a higher claim on assets and earnings than common stock, often with fixed dividends.