My DD was in hospital the other day and the nurse asked what her ethnicity is. I didn't know what to answer as I'd not thought about it properly before. She's pretty much 3/4 white English and 1/4 Chinese. I said I didn't know which box and explained her ethnicity to the nurse who said 'that's fine' and ticked something (no idea what!).
What do all think is the best 'box' in this context?