To prevent cancer, over exposure to radiation
Answer:
A chromosome is made of a very long strand of DNA and contains many genes (hundreds to thousands). ... The genes on each chromosome are arranged in a particular sequence, and each gene has a particular location on the chromosome (called its locus).
Explanation:
As fas as i remember 20% of whole cell is RBC
so the answer is 2×10^13 !!
Enclosed within the nucleolus of the cell.
