The Duplication of Homeotic (Hox) Genes Has Been Significant in the Evolution

question 51

Multiple Choice

The duplication of homeotic (Hox) genes has been significant in the evolution of animals because it ________.

• A) permitted the evolution of novel forms
• B) caused the extinction of major groups
• C) reduced morphological diversity into simpler forms of life
• D) allowed animals to survive on significantly fewer calories

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Definitions:

Estimate

An approximate calculation or judgment of the value, number, quantity, or extent of something, often used in planning and decision-making.

Balance Sheet Approach

A method used to calculate the amount required in the Allowance for Doubtful Accounts to cover expected uncollectibles. This method is based on the Accounts Receivable amount and the aging process. The adjustment to the Allowance for Doubtful Accounts will bring the new balance of that account to the new required level.

Bad Debts Expense

The portion of receivables that a company does not expect to collect and writes off as a loss.

Gross Accounts Receivable

The total amount owed to a company by its customers for goods or services sold on credit before any deductions for returns or allowances.