What Percent of Americans Are Strongly Right-Handed or Strongly Left-Handed

question 354

Multiple Choice

What percent of Americans are strongly right-handed or strongly left-handed with the rest showing some inconsistency in hand preference?

• A) 60 percent
• B) 75 percent
• C) 88 percent
• D) 98 percent

---

Definitions:

Malignant Cells

Abnormal cells that divide uncontrollably and can invade nearby tissues or spread to other parts of the body, forming a cancer.

Anchored

Fixed or firmly attached to a particular position, place, or belief system, preventing movement or change.

Centromere

The region on a chromosome where the two sister chromatids are joined and where the spindle fibers attach during cell division.

Chromatids

Each of the two threadlike strands into which a chromosome divides longitudinally during cell division. Each contains a double helix of DNA.