Physical chemical changes in fertilization
Answers
Answer:
Fertilization is the process of union of an ovum with the sperm. The site of fertilization is a fallopian tube (ampullary-isthmic junction).
Fertilization performs two basic functions in the process of embryonic development:
(a) Upon fertilization, the secondary oocyte completes meiotic division and produces a second polar body, which degenerates.
(b) A diploid zygote is formed, which undergoes cleavage to form a morula and then a blastocyst, which implants in the endometrium.
Chemical events that occur during fertilization are as follow:
Approximation of sperm and ovum: This can be done by fertilizin-antifertilizin compatibility reaction. Fertilizin which is a glycoprotein of egg interacts with the antifertilizin i.e., composed of acidic amino acids of sperm of the same species which results in making the sperms stick to the egg surface.
Answer:
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Fertilization is the process of union of an ovum with the sperm. The site of fertilization is a fallopian tube (ampullary-isthmic junction).
Fertilization is the process of union of an ovum with the sperm. The site of fertilization is a fallopian tube (ampullary-isthmic junction). Fertilization performs two basic functions in the process of embryonic development:
Fertilization is the process of union of an ovum with the sperm. The site of fertilization is a fallopian tube (ampullary-isthmic junction). Fertilization performs two basic functions in the process of embryonic development:(a) Upon fertilization, the secondary oocyte completes meiotic division and produces a second polar body, which degenerates.
Fertilization is the process of union of an ovum with the sperm. The site of fertilization is a fallopian tube (ampullary-isthmic junction). Fertilization performs two basic functions in the process of embryonic development:(a) Upon fertilization, the secondary oocyte completes meiotic division and produces a second polar body, which degenerates.(b) A diploid zygote is formed, which undergoes cleavage to form a morula and then a blastocyst, which implants in the endometrium...