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Biology
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Biology
Formation of Twins (2)
Biology
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Formation of Twins (2)
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Development of conjoined twins (2)
Although two foetuses are formed from the embryo, some of their physical parts are still fused together, usually the chest, abdomen or buttocks
Development of conjoined twins (3)
Conjoined twins may also share one or two internal organs
Identical twins (1)
Product of fertilisation of one ovum and one sperm forming one zygote
Identical twins (2)
Embryo divides into two
Identical twins (3)
One placenta is shared between two foetus
Identical twins(4)
The genetic makeup and physical appearances of these twins are similar as they are from the same zygote
Identical twins (5)
The sex of both twins is the same
Fraternal twins (1)
Product of fertilisation of two sperms and two ova forming two zygotes
Fraternal twins (2)
Embryo does not divide into two
Fraternal twins (3)
Each foetus has its own placenta
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Formation of Twins (2)
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