Constitution of the United States of America (1787). Download PDF of the Constitution. The Constitution was written in the summer of 1787 in Philadelphia, Pennsylvania, by delegates from 12 states, in order to replace the Articles of Confederation with a new form of government.
Gametes have a haploid number (23). When conception occurs, a human sperm and ovum combine their chromosomes to make a zygote (fertilized egg) with 46 chromosomes. This is the same number that the parents each had in their somatic cells. In doing this, nature is acting conservatively. Each generation inherits the same number of chromosomes.
The union of the sperm and egg cell is caller fertilization Union of the egg and sperm cells is called fertilization.The egg then plants itself on the uterin wall. The two se â¦ ts of DNA combine, then start replicating and dividing to make a baby. 19 people found this useful.he deficiency of sperm cells is called Oligospermia. Oligospermia  is the condition of having less than the normal number of  spermatozoa in the semen.