Where was the trait gotten from?

Efficiency is the percent of work put into a machine by the user (input work) that becomes work done by the machine (output work)

What are genotypes? what are phenotypes?

Jasmine, at 33 months of age, is able to engage in some self-care behaviors but still has trouble with tasks such as putting on socks. a few months later, she accomplishes this same task relatively easily. the change in abilities is most likely due to