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Unformatted text preview: m and egg have only 50% of the
parent’s genetic information. Degree of Relatedness Individual Organism
an identical twin Percentage of genes
shared with you
100% first degree a sibling (brother or sister)
a mother or father
a child 50
50 second degree a grandparent
a half-brother or half-sister
an aunt or uncle
a niece or nephew 25
25 a first cousin 12.5 third degree a stepchild
a spouse 0 or ?
0 or ? 6...
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This document was uploaded on 02/20/2014 for the course PSYC 2010 at Auburn University.
- Fall '08