The answer is <span> b) chromosomes replicate
DNA replication occurs before mitosis. So, duplicated chromosomes are already present in mitosis. They are connected by centromeres. During different phases of mitosis, spindles are formed and pull chromosomes toward the opposite poles of the cell so centromeres must split.</span>
Usually to study genetics mendel used pea plants because of the easy traits associated
Answer:
The lichen is a decomposer that digests rocks and forms soil.
