The biggest diference between active transporte and passive transport

In order to study genetic mutations, scientists must study genetic material. which statement describes the genetic material scientists are most likely studying? a) they study alleles that contain chromosomes, which are rna. b) they study alleles that contain genes, which are chromosomes. c) they study chromosomes that contain genes, which are dna segments.

This is a biological reaction due to a stimulus. i need this quickly !

What are levels of ecology and how can we remember them