In protostome development, cleavage is spiral and ______?

In protostome development, cleavage is spiral and ______?

پروٹوسٹوم کی نشوونما میں، کلیویج سرپل اور ______ ہے؟
Explanation
  • In protostome development, cleavage is spiral and determinate.
  • It means the fate of embryonic cells is fixed early.
  • This contrasts with indeterminate cleavage found in deuterostomes.