Illustration showing the development of monozygotic and dizygotic twins. Identical (monozygotic) twins occur when two cells formed by the first division of a fertilised egg develop independently. Non-identical (dizygotic) twins develop when two separate eggs are released from the ovaries and are fertilised simultaneously.

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Creative#:

TPG33842475

Source:

達志影像

Authorization Type:

RF

Release Information:

須由TPG 完整授權

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n/a

Property Release:

n/a

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No

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