What are responsible for the structure and functions of organisms

Cells and tissues help the organism move and gives it its form.

Cell are the basic building blocks of any organism. cells make tissues, muscles, and bones, if you're an animal, and stems, if its a plant. you also have helper cells that add to organ functions, or carry oxygen and other nutrients thru and all around the body.

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.

Ithink its false. hope this : )