Which of the following transgenic methods were used (in separate experiments) in an attempt to increase the prevalence of certain amino acids in seeds?

A. Altered tRNA gene; overexpression of sunflower seed albumin (SSA)

B. Altered tRNA gene; overexpression of human serum albumin (HSA)

C. Altered rRNA gene; overexpression of sunflower seed albumin (SSA)

D. Altered tRNA gene; repression of sunflower seed albumin (SSA) expression

Answer: Option A