At What Age Is It Normal for Bone Marrow Cellularity

question 5

Multiple Choice

At what age is it normal for bone marrow cellularity to be 80% to 90% (i.e.,has very little fat) ?

• A)at birth
• B)in an 8-year-old
• C)in a 20 to 40-year-old
• D)in those older than 70 years

---

Definitions:

Genetic Diversity

The total number of genetic characteristics in the genetic makeup of a species, enabling it to adapt to changing environments.

Damaging

Causing harm or negative effects to someone or something.

Randomly

Implemented or occurring without a definite pattern, order, or purpose, often used to minimize bias in experimental designs.

Evolution Theory

A scientific explanation for the diversity of life on Earth, proposing that species evolve over generations through processes of natural selection and genetic variation.