Question

Why is Ostrich egg referred as largest cell when it is well known that an avian egg contains 20-60K cells when laid. Does egg refer to the ovum here?​

Answer 1

The cell size of Ostrich egg, we're interested in, is solely restricted to the fertilized ovum. It's the largest of all cells known to us. Only that cell divides and differentiates into an Ostrich; rest of the cells and material including proteins and yolk are just for the nutrition of that one cell.

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