Sometimes engineers increase output through crossbreeding. this is when they:

Mating two different breeds, or mixing species to make a hybrid. 
The goal is to use the different traits, and combine them to get a hybrid (a modified organism from selective breeding.)

10.063g / 10.00 ml = 1.0063 g/ml which rounds off to 4 sig figs as: 1.006 g/ml

It conforms what ever surface its in.