Average Heights of American Men and Women Have Increased Steadily

question 86

Multiple Choice

Average heights of American men and women have increased steadily since the 1940s.The best explanation for this observation is that height is

• A) a polygenic trait.
• B) influenced by an X-linked gene.
• C) influenced by environmental changes like improvements in diet.
• D) influenced by a Y-linked gene.
• E) influenced by crossing over.

Distinguish between one-tailed and two-tailed tests and apply them appropriately to hypothesis testing situations.

Understand the motivations and contributions of key figures in the progressive era.

Grasp the different areas of reform and activism during the progressive era, including urban, racial, and women’s issues.

Identify the causes and effects of specific legislation passed during the progressive era.

---

Definitions:

Renal Corpuscle

The renal corpuscle is a key structure in the kidney that includes the glomerulus and Bowman's capsule, initiating the process of filtration of blood to form urine.

Glomerular Capsule

A cup-like sac at the beginning of the tubular component of a nephron in the kidney, involved in the filtration of blood to form urine.

Glomerulus

A cluster of capillaries within the kidney where blood filtration begins.