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  4. In yeast, the sexual reproduction is by conjugation. After fusion, the zygotic nucleous divides meiotically and forms haploid spores. The unicellular structure with haploid spores is

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Q. In yeast, the sexual reproduction is by conjugation. After fusion, the zygotic nucleous divides meiotically and forms haploid spores. The unicellular structure with haploid spores is

Jharkhand CECEJharkhand CECE 2015

Solution:

Yeast is an example of Ascomycetes. They reproduce asexually by budding or by spores called conidia. The most distinctive feature of this group (e.g. Penicillium) is the formation of sac-like structure, the ascus, in which eight haploid spores are produced. Ascospores are formed by the sexual fusion of two hyphae of opposite mating types.