Question

Fertilization and its biochemical aspects

Answer 1

          Fertilization simply known as Fusion of Gametes. The new organism or offspring starts to develop from this process. In case of human beings, it is fusion of sperms and egg cells. Where, sperms are male gametes and the egg cells are female gametes. The effect of this fusion is that formation of the zygote cell or fertilized egg. It is the actual initiation of development of new generation individual.

         The single spermatozoon penetrates the egg cell (female gamete). As the result, the zygote cell gets formed and it is also known as fertilized egg. We can say fertilization as conception, fecundation. Hence, the fertilization process is fusion of gametes only. Before this conception, egg remains unfertilized.

        The embryos of all sexually reproducing organisms, develops from a single cell. Mutated DNA can only be passed to the next generation if it is present in a germ cell such as spermatozoa and ova, each of which contribute half of the DNA of the new organism.

     In the account of process of oogenisis the biochemical aspects of fertilization are as follows -
1] DNA (Deoxyribonucleic Acid)
2] RNA (Ribonucleic Acid)
3] Proteins of the fused or matured egg.