According to the passage, what can scientists do now with the genetic testing technology A: Prescreen a baby's sex. B: Screen babies for desirable attributes. C: Insert genes parents want. D: Craft genes in a lab.

According to the passage, what can scientists do now with the genetic testing technology A: Prescreen a baby's sex. B: Screen babies for desirable attributes. C: Insert genes parents want. D: Craft genes in a la