6(ii)
State two differences between Fraternal twins and Identical twins.
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Two differences between Fraternal twins and Identical twins are:
| Fraternal twins | Identical twins |
|---|---|
| They are formed when two ova released at the same time are fertilised by two different sperms. | They are formed when a single fertilised ovum splits into two embryos. |
| They are genetically different and may be of the same or different sexes. | They are genetically alike and are always of the same sex. |