Answer:
Instructions on DNA are transcribed onto messenger RNA. ... The central dogma of molecular biology describes the flow of genetic information in cells from DNA to messenger RNA (mRNA) to protein. It states that genes specify the sequence of mRNA molecules, which in turn specify the sequence of proteins.
Explanation:
Cladograms use lines that branch of into different directions ending at a clade, which is a group of organisms that share the same last common ancestor.
Cladograms are useful for:
1. Showing the evolutionary patterns in the organisms, and how and why did they occurred.
2. For better and easier classification of the organisms, as well as tracing their ancestors.
Your answer would be A
Homologous chromosomes trade pieces of DNA.
When crossing over occurs, segments of non-sister chromatids break and then reattach to the other chromatid.
