Which of the following applications of genetic engineering is preventative and helps individuals fight infection before its onset?

A)Insulin production
B)Vaccine production
C)Stem cell therapy
D)Gene therapy

1. protection 2. homeostasis 3. storage4.blood formation5.bone marrow 6.movement

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It would be c. because they are the same species. the definition for genus is a principal taxonomic category that ranks above species and below family, and is denoted by a capitalized latin name