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):
At the end of 8 weeks: 1  Embryo is 1-1/8 inches in length. 2  Eyes, nose, lips, tongue, ears and teeth are forming. 3  Penis begins to appear in boys.  Embryo is moving, although the mother cannot yet feel 1  movement. Heart is functioning.