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):
Additional Readings. Embryonic Development of the Reproductive System Reproductive The male and female reproductive systems follow a similar pattern of development, with sexual distinction coming about as a result of the influence of hormones.arly in fetal development (the tenth thought the twelfth week), sexual distinction of the external genitalia becomes apparent. In the male, the phallus enlarges and develops into the glans of the penis. The urethral folds fuse around the urethra and become the erectile tissue that forms the body of the penis.