Introduction Fig. A standard map of the banding pattern of each chromosome in the human karyotype. G-Banding Q- Banding Fluorochrome banding has some drawbacks – Both Q and G bands correlate with the centromeres observed in leptotene and pachytene chromosomes during meiosis. Q and G banding pattern are generally similar and correspond to the intercalary … Read more
Heterochromatin Function Types of Heterochromatin Constitutive heterochromatin Facultative heterochromatin Euchromatin Structure Appearance Function 🔹 1. Who first defined heterochromatin in 1928? A. WatsonB. Heitz ✅C. CrickD. Morgan🧠 Explanation: Heitz first described heterochromatin based on its staining properties. 🔹 2. Euchromatin is characterized by: A. Dense stainingB. Peripheral localizationC. Loose DNA packing ✅D. Inactive genes🧠 Explanation: … Read more
