From looking at the pedigree, how do you know if someone is a carrier?

Which of the following is a possible reason for sleep? a) growth b)digestive c)speed d)intelligence

Approximately what wavelength of light is best absorbed by chlorophyll a

Just a quick question. will give pointswhat is the root word of "blood."it is written in my homework as hemat(o) : blood.so, should i write that the root word as hemat or hemato or hemat(o). i'm really confused.