Question

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e feld. The tungus; choose the correct terms from the list. The lines contain two terms (D1 and D2, E1 and term (e.g., mycelium); for the section below Some terms can be used repeatedly (eg., dikaryotic or basidium). mycelium mycelium Type ) G2

Answer 1

Q) In the picture after karyogamy a diploid basidium is produced, so G2 is a Diploid , Basidium.

After meiosis H1 and H2 produced , they are H1= Haploid, and H2 is a mycelia.

Explanation-

Alternation of generationsseen in life cycle of Basidiomycota. Spores are usually produced by sexual reproduction. The club-shaped basidium has spores called basidiospores. In the basidium, nuclei of two different mating strains fuse ( by karyogamy, + and - strain fuse), and they give rise to a diploid zygote. It then undergoes meiosis. The haploid nuclei migrate to basidiospores, They germinate and produce monokaryotic hyphae. The mycelium which develops is called a primary mycelium. Mycelia of different mating strains combine and produce a secondary mycelium having haploid nuclei of two different mating strains. This is the dikaryotic stage of the basidiomyces lifecyle and and it is the dominant stage. Gradually secondary mycelium generates a basidiocarp, which is the fruiting body that protrudes from the ground The basidiocarp has the developing basidia on the gills under its cap.

Germination +Mating type 囹 celia form, there are two mating Basidia Mitosis Plasmogamy Fusi +and - strain, forming a dikaryotic mycelium Mycelia, Karyogamy, basidia form diploid nuclei mating type Basidiocarp Life cycle of Basidiomycota a Zygote,( 2n) Cell division, 4 Dispersal and ermination basidiospores are Meiosis, 4 haploid nuclei are formed in Basidiospores (n) Basidium with 4 nuclei basidiunm