question: How do the cells of Lophotrochozoa eggs arrange themselves ?
answer: after the 4-cell stage , descendants of these 4 cells form a spiral pattern
turker_answer: The cells of Lophotrochozoa eggs arrange themselves after the 4-cell stage , and then descendants of these 4 cells form a spiral pattern .
rule-based: The cells of Lophotrochozoa eggs arrange themselves after the 4-cell stage , descendants of these 4 cells form a spiral pattern .