"sexual" nach Englisch mit Beispielen - Kollokationen-Wörterbuch Englisch
- In other dinoflagellates, an analogous structure has been implicated in heterotrophic feeding and sexual recombination.
- Cytological and molecular genetic studies show that bdelloids evolved from a common ancestor which lost sexual recombination (meiosis and fertilisation) about 100 million years ago.
- Nuclear karyogamy and meiosis (sexual recombination) occur within the zygospores, which are thought to be long-lived and resistant to adverse conditions.
- This is due to the lack of sexual recombination which would have shuffled alleles between chromosomes during meiosis.
- This is followed by the formation of macrogametocytes and microgametocytes which undergo sexual recombination.
- These include sexual recombination (the combining of genes from two parents) and geographic isolation (the separation of populations by a physical barrier).
- This can occur by any of the following processes: transposon mediated shuffling, sexual recombination or illegitimate recombination.
- The co-occurrence of the two mating types is significant due to the possibility of sexual recombination and formation of oospores, which can survive the winter.
- However a recent review suggests that sexual recombination may be the rule rather than the exception in amoeboid protists in general, including the Arcellinid testate amoebae.
- The two major sources of genetic variation, mutation and sexual recombination appear to be consequences of mechanisms to cope with DNA damage.
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