Basic aquarium salt â Sodium chloride. 1  Aquarium salt is exclusively found in aquarium shops and fish sections of general stores. 2  It is the cheapest of all fish salts used. 3  It can also be found as non-iodised salt, table salt or even ice cream salt. It is basically just salt that we use in our daily lives.
Best Answer: At the point of conception. Depending upon which chromosome that the embryo is implanted with from the father determines the sex of the embryo. If the father's sperm contains an X chromosome, the embryo will be female. If the father's sperm contains a Y chromosome, The embryo will be Male. Source(s):
The embryonic period in humans begins at fertilization (penetration of the egg by the sperm) and continues until the end of the 10th week of gestation (8th week by embryonic age).The period of two weeks from fertilization is also referred to as the germinal stage.y the end of the tenth week of gestational age the embryo has acquired its basic form and the next period is that of fetal development where the organs become fully developed. This fetal period is described both topically (by organ) and chronologically (by time) with major occurrences being listed by gestational age.