The upcoming discussion will update you about the differences between sexual cycle and parasexual cycle. Difference # Sexual Cycle: 1. Nuclear fusion takes place in specialised structures. 2. Zygotes usually persist one nuclear-generation. 3. Recombination by meiosis; crossing over in all chromosome pairs, of reduction of chromosome number, and random assortment of members of each chromosome pair are characteristics of [...]
In this article we will discuss about the definition of mycorrhiza. The term 'Mycorrhiza' is a composite word made up of two words mycos meaning fungi, rhizos meaning roots. Fungi in association of roots of flowering parts form the non pathogenic or feebly pathogenic association which is generally mutually symbiotic. In this association both the fungi and higher plants derive [...]
Read the below given notes to learn about heterothallism with the help of diagram. The term Heterothallism was first used by an American geneticist A.F. Blakeslee in 1904 when he observed that zygospores could develop in some spp. only when two mycelia of different strains were allowed to come in contact with each other. Blakeslee made these observations as a [...]