(1)血统主义；血统原则
依父母的国籍来确定其所生子女的国籍，即以血缘关系或亲子关系来决定一个人的国籍，与出生地主义相对。

(2)父母国籍国法
(→jus soli)

• qualified indorsement
• qualified interest
• qualified majority decision
• qualified nuisance
• qualified opinion
• qualified owner
• qualified pension plan
• qualified privilege
• qualified property
• qualified refusal
• qualified right
• qualified salvage
• qualified stock option
• qualified survivor
• qualified-terminable-interest property/Q.T.I.P.
• qualified-terminable-interest property trust
• qualified title
• qualified trust
• qualified voter
• qualify
• qualifying clauses
• qualifying share
• Qualitas quae inesse debet, facile praesumitur.
• qualitative rule of evidence
• quality