To which part of the Cell Theory did Pasteur make the biggest contribution? A) Cells are the basic units of life. B) All organisms are composed of cells. C) All cells come from pre-existing cells. D) Cells contain DNA which is found specifically in the chromosome and RNA found in the cell nucleus and cytoplasm.

Explanation:

This theory tells us that all cells come from existing cells, means  all living cells come from the division of pre-existing cells. They do no come spontaneously from non- living matter as early believed. All pre-existing cells divide to form new cells by mitosis or meiosis. New cells never come from non-living matter suddenly, they only come from cell only.

b.

i believe it is c: genes for body color and wing size are inherited separately from each parent.