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trobbie817
27.11.2019 •
Biology
Strains fuse nuclei and produce a
in sexual reproduction, two different strains of hyphae
zygote
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Ответ:
Strains fuse nuclei and produce a in sexual reproduction, two different strains of hyphae called plus and minus zygote.
Explanation:
In a fungi or rhizopus, sexual reproduction takes place by fusion of a plus and minus strains. As the hyphae grows in these opposite strains, they become close together due to swelling, and come into contact with each other.
These plus and minus strains of nuclei travel into these swelling and forms the progametangia. This then converts to gametangia which dissolve and fertilze and produce diploid zygote nuclei.
A zygosphere covers these nuclei which later undergoes meiosis and forms hyphae with sporangium filled with haploid spores.
Ответ:
the darker peppered moth species were favored due to the fact that the industrial revolution had made all the nearby trees a darker color instead of white.