Which two fields of study provide the core information that is used to classify organisms?

The two fields of study that provide the core information that is used to classify organisms are:
Morphology, a branch of biology that studies the form or structure of living beings.
Biochemistry, is responsible for studying from a chemical perspective the composition, structure and functions of living beings.

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.

Nine months old i think but i’m not that sure