Definition of mosaicism in English:

mosaicism

noun

Biology
  • [mass noun] The property or state of being composed of cells of two genetically different types.

    • ‘We propose that both controls are general and do not constitute a novel ‘switch’ that enables sexual mosaicism in hermaphrodites.’
    • ‘This results in female mosaicism for loci located in the differential chromosome region.’
    • ‘Androgens could be implicated in the earlier death of males, but recent studies suggest that female mosaicism may enhance lifespan.’
    • ‘This can be explained on the basis of germline or gonadal mosaicism.’
    • ‘This mosaicism, Migeon explains, often gives women protection from genetic disease.’
    • ‘High rates of structural instability have in fact been reported for palindromic transgenes in mice, where mitotic mosaicism and rearranged versions of the transgene have been detected in the progeny.’

Pronunciation

mosaicism

/məʊˈzeɪɪsɪz(ə)m/