blood sibling
Shared-parent family member
A blood sibling is a brother or sister who shares at least one biological parent with you, as distinguished from step-siblings, adopted siblings, or siblings-in-law.
The term emphasizes genetic relationship: She's my blood sibling, not just my stepsister.
Also called a biological sibling.
Male with shared parents
State of proximity
- loyaltyFaithful commitment to another
- rivalryOngoing contest between opponents
- childhoodLife's earliest phase
- shared historyJointly experienced past events
family ties · lifelong · unconditional · protective · confidant · companion · playmate · birth order
Units of heredity
- DNAHereditary code molecule
- heredityGenetic trait transmission
- consanguinityRelatedness through shared ancestry
- genetic matchShared hereditary markers
inherited traits · lineage · ancestry · genealogy · family tree · chromosome · paternity · maternity
brother
Male with shared parents
closeness
State of proximity
- loyaltyFaithful commitment to another
- rivalryOngoing contest between opponents
- childhoodLife's earliest phase
shared history · family ties · lifelong · unconditional · protective · confidant · companion · playmate · birth order · eldest
genes
Units of heredity
- DNAHereditary code molecule
- heredityGenetic trait transmission
- consanguinityRelatedness through shared ancestry
genetic match · inherited traits · lineage · ancestry · genealogy · family tree · chromosome · paternity · maternity
blood siblingstep-sibling
Child of remarried parent's spouse
stepsister · stepbrother · adopted sibling · adoptive sibling · foster sibling
blood, sibling, bloods, bloody, bloodied, bloodying, bloodless, bloodline, bloodlines