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.

---

Definitions:

Progressive Gratification

The practice of delaying satisfaction or rewards to achieve longer-term goals or benefits, often associated with self-discipline and strategic planning.

Regression

In statistics, a method for determining the relationship between a dependent variable and one or more independent variables.

McGregor's Theory X

posits a management style based on the assumption that employees are inherently lazy and will avoid work if possible, necessitating close supervision and control.

Lower-order Needs

Basic human necessities such as food, water, and safety, which are foundational before higher-level needs can be pursued, according to Maslow's hierarchy.