23.A couple, both carriers of Cystic Fibrosis alleles, can prepare for a child being born with the
disease, by testing with___?
(A) Preimplantation genetic diagnosis;
(B) Cloning and testing
the unborn child;
(C) Gene therapy;
(D) Polymerase chain reaction.
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統計: A(3), B(1), C(3), D(1), E(0) #3325429
統計: A(3), B(1), C(3), D(1), E(0) #3325429