What is the very middle of a cell?

What is a genetic material that goes from parent to offspring?

How can you best define genes?

How can you best describe the purpose of chromosomes?

How does sexual reproduction assist adaptation to changing environments?

The inherited traits from an individual are contained in its...

When two parents produce an offspring, could this be true?
"Each parent randomly passes on copies of half their chromosomes."

Largest to smallest, while zooming in on a cell.

What creates diverse offspring?