An Individual Is Charged with Murder, Based on DNA Typing

question 86

Multiple Choice

An individual is charged with murder, based on DNA typing of a blood sample that is more than 20 years old. The accused claims that the evidence is no longer relevant because: (Select all that are legitimate arguments, even if unlikely.)

• A)20-year-old DNA cannot be typed reliably because it becomes chemically degraded.
• B)his DNA has changed because of somatic mutation.
• C)the chance of mislabeling an evidence sample from so long ago is too great.
• D)a sample that old could no longer discern the accused from his brother.
• E)None of the other answer options is correct.

---

Definitions:

Adaptation

The process of change by which an organism or species becomes better suited to its environment.

Diabetes

A chronic medical condition characterized by high blood sugar levels, resulting from defects in insulin production, insulin action, or both.

Alzheimer's Disease

A progressive neurodegenerative disorder characterized by memory loss, cognitive impairment, and behavioral changes, predominantly affecting the elderly.

Physical Activity

Any bodily movement produced by skeletal muscles that requires energy expenditure, beneficial for health and fitness.