In your question that ask to find out or to select which of the following among your choices does and individual with a Turner Syndrome and we all know that this is one of the disease that has a chromosomal descripancies and the answer is B. 2n-1
Their valency is one and both belong to the third period
Two features that Eukaryotic cells have and prokaryotic cells lack:
1) Nucleus
2) Nuclear bound organelles like chloroplasts, Mitochondria, Golgi appratus etc
Hope this helps!
A plant and animal cell is eukaryotic
a eukaryotic cell has a nucleus instead of floating DNA which a prokaryotic cell has