Red-Green Color Deficiency Is Due to a Recessive Gene on the X

question 100

Multiple Choice

 Red-green color deficiency is due to a recessive gene on the X chromosome. Women can be carriers or have color deficienty, and men are either color deficient or not. If an unaffected male and a female who is a carrier have children, what is your prediction as to the color deficiency status of their children?

• A) Half of the couple's daughters, but none of their sons, are likely to have red-green color deficiency.
• B) Half of the couple's sons, but none of their daughters, are likely to have red-green color deficiency.
• C) None of the couple's children are likely to have red-green color deficiency.
• D) All of the couple's children are likely to have red-green color deficiency.

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Definitions:

Futures Exchanges

Marketplaces where futures contracts and options on futures contracts are traded, facilitating the buying and selling of commodities or financial instruments at a predetermined future date.

Delivery Date

The specific date on which a financial transaction, especially pertaining to futures or options contracts, is scheduled to be settled or executed.

Futures Contracts

Standardized agreements to buy or sell a particular commodity or financial instrument at a predetermined price at a specified time in the future.

Actual Delivery

The physical exchange of an asset between seller and buyer or the completion of a transaction, as opposed to a contract being settled by other means.