Identical twins are also called monozygote twins because they develop from the splitting of a single fertilized egg.
因为是从同
精卵分裂而来，同卵双胞胎也
称作单卵双胞胎。
精卵，孕卵Identical twins are also called monozygote twins because they develop from the splitting of a single fertilized egg.
因为是从同精卵分裂而来，同卵双胞胎也称作单卵双胞胎。
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