Question

a female ovary produces one ovum at a time every month this implies that's not more than one can be formed at a time how are twins produced then also find out why some twins are identical and some are not​

Answer 1

Explanation:

• When a fertilized ovum is split into two parts it produces twins. It might happen in early stage of zygote when it is just clusters of cells.
• When one egg is fertilized by one sperm it forms monozygotic (identical) twins.
• When one egg is fertilized by two sperms it forms heterozygotic (dissimilar) twins.

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