The following points highlights the top fifteen cases on monohybrid cross. Case # 1. What will be the appearance of (a) F1 and (b) F2 progenies when a pure (homozygous) tall pea plant is crossed with a pure (homozygous) dwarf pea plant? Tallness (T) gene is dominant over dwarfness (t) gene. Solution: Pure (homozygous) tall pea plant = TT Pure [...]
Get the answer of: How Microbes Evolved on Earth? The Earth, which began to form 4.6 billion (4600 Ma = megaanum, or million years) ago, had a reduced atmosphere before life originated on it. It is thought that the reduced atmosphere of earth consisted largely of gaseous forms of nitrogen, hydrogen, carbon dioxide and water vapour; with smaller amounts of [...]
Learn about the comparison between Poaceae and Cyperaceae. Comparison # Poaceae (Gramineae): 1. Stem-Cylindrical, hollow, (except Maize and Sugarcane), with nodes. 2. Leaves-Simple, alternate, ligulate, Sheath split open. 3. Flower-Flowers subtended by two glumes. 4. Scales-Glumes, lemma, palaea. 5. Perianth-Represented by 2-3 lodicules. 6. Stamens-Normally 3, rarely 3+3, versatile. 7. Pistil-Monocarpellary, one loculed, one ovuled. 8. Fruit-Caryopsis. 9. Floral formula- [...]