In 1940, Two Researchers Named Weiner and Landsteiner Discovered That

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.