Part 1 of Essay
Of all multiple births, identical or fraternal twins are the most common occurring on average in two percent of all births. Identical twins develop from the division of a single fertilised ovum during its first stages resulting in twins being of the same sex and genetically identical. Their occurrence is random and not h ....

Part 2 of Essay
.... they will not experience individualisation problems (Siemon, 1980). According to Sandbank (1988), three main factors play roles in the development of twin individuality. These are: competition in the twinship, the school environment and parental attitude. Competition, according to Mathias (1992), results from being either envious or jealous of someone else. Jealousy is something that twins probably experience before other children as they are always competing for a share of parental attention. So, identical twi ....