Examples: Full siblings share 1/2 of their genes Parent-offspring share 1/2 of their genes Half-siblings share 1/4 of their genes First cousins share 1/8 of their genes Etc.
(Full siblings; share; 1/2 of their genes) (First cousins; share Etc.; 1/8 of their genes)
Full siblings First cousins
share share Etc.
1/2 of their genes
1/8 of their genes