The percentage of histone of the total protein of chromosome is around:

Correct option is A

✅ (a) 80: • Histones comprise about 80% of chromosomal proteins. • Crucial in DNA packaging within the nucleus. • Include H1, H2A, H2B, H3, and H4 types. • Support structural and gene regulation roles. ❌ (b) 85: • Slightly exaggerated, not standard figure. ❌ (c) 90: • Too high for typical chromosomal protein ratio. ❌ (d) 95: • Inaccurate based on biochemical estimates.