Question

Gerrymandering provides representation to minorities who, without it, would not be represented in the House of Representatives, but at the same time packs minorities into a district without regard or concern.

True?

Answer 1

It could mean that. I don't know what your teacher or text says about it, but it is drawing political boundaries for the benefit of one group, usually a political party:

http://en.wikipedia.org/wiki/Gerrymandering