Not only the coloring genes, but lots of other genes are getting mixed up, too.
不仅是染色基因，还有很多其他基因也混在一起了。
2
Shelley looked at the coloring book and then looked up at me, and finally looked away.
谢莉看了看图画书，然后抬头看了看我，最后移开了视线。
3
Check toilets for silent leaks by putting a few drops of food coloring in the tank; if the color shows up in the bowl indicating a leak, fixing it may be as simple as replacing the toilet's flapper.