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Siamese twins are always either male or ...

Siamese twins are always either male or female and never be male and female.
a. Why are the twins called Siamese twins?
b. What do you mean by identical twins?
c. What are fraternal twins?

Text Solution

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a. It was first reported in Siame. Hence the name.
b. The twins formed from a single zygote are called identical twins. Identical twins are always male or female.
c. The twins formed from different zygote are called fraternal twins. The fraternal twins are either male or female or male and female.
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