Identical Twins Have Nearly the Same Genes,whereas Fraternal Twins Do

question 21

Essay

Identical twins have nearly the same genes,whereas fraternal twins do not.In fact,around half of all fraternal twins are male and female siblings.Alternate terms for identical and fraternal twins are monozygotic and dizygotic.Why do you think these terms are used? Explain your answer in terms of what you know about fertilization.

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Definitions:

Discontinued Operations

Components of a business—such as segments or subsidiaries—that have been disposed of or are held for sale, and are reported separately in financial statements for clearer assessment by investors.

Loss on Disposal

Loss on disposal occurs when the proceeds from the sale of an asset are less than its carrying amount on the books, resulting in a financial loss.

Bad Debt Expense

An expense reported on the income statement, representing the amount of uncollected receivables from customers during a period.

Gross Profit

Gross profit is the difference between sales revenue and the cost of goods sold before deducting overheads, interest, taxes, and other expenses.