Cells because most living things like plant life and humans are made up of cells and animals are made up of cells too!
Answer:
scientific conclusions are reliable as they are helpful for many things however it is true that after the evolution of new ideas the old theory have some changes or may change fully or may be proved wrong but yeah the old theories are still helpful for many reasons and things.
so I think scientific conclusions are reliable
1859
On the Origin of Species (or more completely, On the Origin of Species by Means of Natural Selection, or the Preservation of Favoured Races in the Struggle for Life), published on 24 November 1859, is a work of scientific literature by Charles Darwin which is considered to be the foundation of evolutionary biology.
Sex linked inheritance is a trait that is passed through generations in which is linked directly to an individuals gender or sex. most of the time sex linked inheritance is seen in males however it can be viewed in females.