妈妈和儿子的dna不同吗

Xu Yuan only felt her mind buzzing for a moment, and then it became completely blank. She had no more thoughts. She just instinctively responded enthusiastically to Ji Feng's kiss. Although her movements were very jerky, the kind of warmth that came from her body was The instinctive reaction was for her and Ji Feng to hug each other tightly and kiss passionately....