After performing amniocentesis, what procedure is used to generate this type of picture, in order to determine the chromosomal condition of a developing fetus?

try using substitution:

x + y - 6 = x - y. (i'm not giving you the exact answer). since 0 = x - y, then sub 0 in the equation with x - y. combine your like terms, and then use inverse operations, and you'll have your answer.

: -)

answer; (a) medicalized;

can i have a list of the items?