Correct option is B
✅ (b) Waldeyer (1888): • The term "chromosome" (meaning "colored body") was coined by Waldeyer. • He named it based on its strong affinity to stains during microscopy.
❌ (a) Mendel (1884): • Mendel is the father of genetics but did not coin this term.
❌ (c) Strasburger (1875): • He studied cell division but didn’t coin the term "chromosome".
❌ (d) Morgan (1910): • Famous for linkage and gene mapping, not for this terminology.