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A Genetic Study of Conjoined Twins

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Essay title: A Genetic Study of Conjoined Twins

1.0 Introduction

I have always been fascinated by conjoined twins and have always had questions about them like; what do the Siamese have to do with conjoined twins? Why does this form of twin happen? What, if any genes cause this? What types of Conjoined twins are there? How does the environment affect, if at all, the biological families' gene pool? In my research in efforts to prepare this paper, I found the answers to this question and many more. This term paper will cover the types of conjoined twins, the biological occurrence that causes conjoined twins, a look into some of the genetic and environmental causes of conjoined twins, the types of conjoined twins and the genetic and social impact of conjoined twins.

1.1 Siamese - or - Conjoined Twins

Let's answer the first question right off the bat. The terms Siamese Twins and Conjoined Twins are synonymous, 1 The term Siamese twins comes from the most famous of conjoined male twins, Chang and Eng Bunker, born in Siam of Chinese parents in 1811. The Bunker Twins were exhibited in Barnum's circus for many years. While they were never separated, they each married and were successful businessman and ranchers in Wilkes County, North Carolina. Chang and Eng were attached by a five-inch connecting ligament near their breastbones. Although the Bunker Twins

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