| 释义 |
Definition of isogamy in English: isogamynoun ʌɪˈsɒɡəmiaɪˈsɑɡəmi mass nounBiology Sexual reproduction by the fusion of similar gametes. Compare with anisogamy Example sentencesExamples - As isogamy is approached, sperm become less abundant, ova become relatively less rare, and competition between males for fertilization success is predicted to weaken.
Derivatives nounˌʌɪsəˈɡamiːt Biology The haploid myxamoebae act as isogametes; individuals of different mating types pair and fuse to form diploid zygotes. Example sentencesExamples - Reproduction is by biflagellate isogametes, these displaying a cruciate, 11 o'clock - 5 o'clock configuration of the flagellar apparatus.
adjective Biology Uniparental inheritance of mitochondria has also been reported in the isogamous protist Physarum polycephalum. Example sentencesExamples - Sexual reproduction is known only in two genera: Botrydium, in which the sex cells are isogamous, and Vaucheria, in which the cells are oogamous.
- However, these cellular mechanisms cannot explain uniparental mtDNA inheritance in isogamous species with equal-sized and undifferentiated gametes.
Origin Late 19th century: from iso- 'equal' + Greek -gamia (from gamos 'marriage'). Definition of isogamy in US English: isogamynounaɪˈsɑɡəmiīˈsäɡəmē Biology Sexual reproduction by the fusion of similar gametes. Compare with anisogamy Example sentencesExamples - As isogamy is approached, sperm become less abundant, ova become relatively less rare, and competition between males for fertilization success is predicted to weaken.
Origin Late 19th century: from iso- ‘equal’ + Greek -gamia (from gamos ‘marriage’). |