The role of inhalant allergens in allergic airways disease. Immunoglobulin (Ig) E-mediated sensitization to domestic inhalant allergens (eg, dust mite, cockroach, cat, and dog) is the most important risk factor for asthma.
Should be prophase because chromatin coils up, becoming shorter and thicker, thick enough to become visible when stained.
The third option "Rhyolitic" would be your answer.