During embryonic development, cells differentiate into specialized types primarily because
- A
Each cell loses different chromosome regions over divisions, producing distinct DNA content patterns
- B
Different cells receive different parental DNA strands during mitosis, producing distinct inheritance patterns
- C
Tissue-specific somatic mutations accumulate in each lineage, producing distinct genomic sequence patterns
- Dcheck_circle
Different sets of regulatory genes (transcription factors) are activated, producing distinct gene expression patterns
Explanation
Master regulators (e.g., Hox genes) and signaling cascades produce cell-type-specific transcription factor patterns; the genome is the same in all cells.