In 1940, Two Researchers Named Weiner and Landsteiner Discovered That

question 63

Multiple Choice

In 1940, two researchers named Weiner and Landsteiner discovered that about 85 percent of the human population sampled possessed a blood cell protein that had been previously detected in Rhesus monkeys. This blood type was labeled Rh positive, and Rh⁺ was found to be dominant over the absence of the blood factor (Rh) . Under normal Mendelian inheritance, which of the following statements is FALSE?

• A) Two Rh⁺ parents could have an Rh^- child.
• B) Two Rh^- parents could have an Rh⁺ child.
• C) An Rh^- child would require that both parents be carriers of at least one Rh^- gene.
• D) It is possible with just one pair of parents to have children where some siblings are Rh^- and some are Rh⁺.
• E) All of the choices are false.

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Definitions:

Demand Curve

A visual chart that illustrates how the price of a product affects the amount of the product that consumers are prepared to purchase.

Monopolistic Competitor

A firm in a market structure where many companies sell products that are similar but not identical, allowing for competition based on quality, price, and marketing.

Pure Monopolist

A market structure in which a single company or entity exclusively controls the entire supply of a particular good or service, without any close substitutes.

Pure Competitor

A firm in a market where there are many sellers and buyers of a standardized product and no single entity can influence the market price.