Question

which of the following best describes the cells of the human heart and lungs? each has the same genetic information but performs different specialized functions. each uses one part of the genetic code to synthesize all enzymes needed by the cell. each contains different amounts of dna molecules. each produces a hormone involved in respiration.

Explanation:

All somatic cells in the human body have the same DNA (genetic information). Cell - type specific functions in heart and lungs are due to differential gene expression, not differences in genetic content.

Answer:

A. Each has the same genetic information but performs different specialized functions.