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):
Only females can be produced by parthenogenesis, as no Y chromosome is present. If achieved, human parthenogenesis would make men biologically redundant. Very early human embryos derived only from ova have been produced experimentally by a parthenogenetic technique using chemicals that changed the concentration of ions in the ova. parthenogenesis the development of an individual from an egg without fertilization by a sperm.