in the blood

in the blood

Innate, as of a skill or quality. That type of passion can't be taught—it's in the blood.
See also: blood
Farlex Dictionary of Idioms.

in the blood

 and in one's blood
Fig. built into one's personality or character. John's a great runner. It's in his blood. The whole family is very athletic. It's in the blood.
See also: blood
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

in the/somebody’s ˈblood/ˈgenes

part of somebody’s nature and shared by other members of their family: Both his father and his mother were writers, so literature runs in his blood.
See also: blood
Farlex Partner Idioms Dictionary
See also:
  • in the/somebody's blood/genes
  • be in (one's) blood
  • after (one's) blood
  • after your blood
  • be after (one's) blood
  • be after/out for somebody's blood
  • in blood
  • in one’s blood
  • in one's blood
  • in your blood
References in periodicals archive
The chief minister said that loyalty to the PML-N runs in the blood of people and they have given mammoth acceptability to this party due to its practical steps for public welfare.
I'm so thankful to them.'' With Bernard Soulier disease the platelets in the blood are unable to stem bleeding.
Subsequently, the amount of virus in the blood of two-thirds of the patients had dropped by roughly 90 percent, Miralles reports.