C1001 My Fault I'm Sorry

"I'm not O-shaped"

"Hm?"

Zhao Chumian stared at him in surprise. "Your blood types are different?"

"Brothers and sisters are collateral relatives. Parents and children are immediate relatives. The blood types of collateral relatives can be different depending on their genes." Sheng Xifang patiently explained to her.

"I am the same as brother. Lu Jin and Tangtang are also the same