זֶה אֶצְלוֹ בַּגֵּנִים, זֶה אֶצְלוֹ בַּדָּם

ביטוי (אנגלית)

It's in one's genes, it's in one's blood

הגדרה (אנגלית)

(Slang) It is one's natural tendency imprinted in their personality.

(Modern Hebrew)