You Are an Evolutionary Biologist Analyzing the Evolution of Embryo

question 47

Essay

You are an evolutionary biologist analyzing the evolution of embryo development in different species.You identify an important gene that controls the placement of body regions in fruit flies,mice,and chickens,and you find the gene is exactly the same in each species.You then determine it is the enhancer sequence of the genes that is different in each species.Why would such very different species have the same gene sequence but a different enhancer sequence?

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Dividend Per Share

The amount of dividend paid out per share of stock, indicating the portion of a company's earnings distributed to shareholders.

Excess Cash

Excess cash refers to the amount of cash holdings that exceed the normal operational needs of a business, often considered for investment, debt repayment, or as a reserve against future risks.

Cash Dividend

A payment made by a company to its shareholders, usually in cash, out of its earnings.

Book Value

Book value is the net value of a company's assets as recorded on its balance sheet, calculated as total assets minus intangible assets (patents, goodwill) and liabilities.