Rob shares _______________ percent of his genes with a real sister and _____ of his genes with a half-sister.
A)50; 50
B)50; 0
C)50; 25
D)25; 0

Question

Quizplus · Accepted Answer

Rob shares 50 percent of his genes with a real (full) sister and 25 percent of his genes with a half-sister. This is because siblings share about 50% of their genes inherited from their parents, and half-siblings share about 25% since they are related through only one parent.

Rob Shares _______________ Percent of His Genes with a Real