Question

Vitellogenesis in birds

Answer 1

Answer:

As the cytoplasmic and nuclear changes occur during oogenesis (Chaps. 2 and 3), the oocyte accumulates yolk material; this phase of oogenesis is called vitellogenesis. The yolk deposited in the oocytes of reptiles and birds is required for the development and growth of embryo.

Answer 2

Explanation:

As a cytoplasmic and nuclear changes occur during oogenesis ,the oocyte accumulate yolk material : this phase of oogenesis is called vittellogenesis . The yolk deposited in the oocytes of reptiles and birds is required for the development and growth of embryo .

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