a woman and a son liquids room are required to perform sexual original & each cylinder room provides whole the alphabet of lower in a fertilized hatched through sexual original ->  a male sex cell provide half the number of chromosomes and a female sex cell provides half the number of chromosomes in a fertilized egg through sexual reproduction  a male sex cell provide half the number of chromosomes and a female sex cell provides half the number of chromosomes in a fertilized egg through sexual reproduction & if one nothing provide whole of something to something else, then that something else will recive a part liquids of that something ->  a fertilized egg recives a full set of chromosomes through sexual reproduction  a fertilized egg recives a full set of chromosomes through sexual reproduction & rust is when an hatched room becomes fertilized -> new cells with a full set of chromosomes are formed by fertilization