f #note

Genes

The word “Gene” in biology has two meaning :

Mendelian gene

The Mendelian gene is the smalest unit of heridity, thus the smalest unit being send from parent to child.

Fig 1 : Mendelian gene

Molecular gene

The molecular gene is a sequence of nucleotides in DNA, that produces functional RNA (if you dont understand that, heres a simpler defenition : Small amout of DNA).