Answer: The Nucleotide
Explanation: RNA is synthesized in the nucleus using the nucleotide sequence of DNA as a template.
In prophase 1 of meiosis, crossing over results in:
1) Chromosomes are visible as a bivalent ( tetrad) tightly grouping of two chromosomes, each consisting of two sister chromatids
2) The nuclear envelope disappear.
3) Two chromosomes are grouped together very tightly.
4) chiasmata formation take place.
the observer will see the paper clip at 3
