单项选择题A.Sperm, cells, DNA and other genes.B.Sperm, cells, DNA and other products.C.Sperm, organs, DNA and other genes.D.Sperm, organs, DNA and other products.
A.Sperm, cells, DNA and other genes.
B.Sperm, cells, DNA and other products.
C.Sperm, organs, DNA and other genes.
D.Sperm, organs, DNA and other products.