Choose from options: Determine if the sentence is true based on the text below:
Scientist cannot tell healthy embryos from unhealthy embryos.

If you suffer from certain genetic illnesses, or carry a gene for that illness, scientists can take one or two cells to check for those genes and transfer only healthy embryos.
Pick from:
[1]. Yes;
[2]. It's impossible to say;
[3]. No;
[3].