What is the difference between autotroph and heterotroph

Technically, the definition is that autotrophs obtain carbon from inorganic sources like carbon dioxide (CO2) while heterotrophs get their reduced carbon from other organisms. Autotrophs are usually plants; they are also called "self feeders" or "primary producers".

Since a female is both xx chromosome and the male passes down the x chromosome, than the offspring would be female since a female is xx.