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. 1973 Jan;43(3-4):101-8.
doi: 10.1007/BF00306558.

The mechanism of maternal inheritance in Chlamydomonas: Biochemical and genetic studies

R Sager  1 , Z Ramanis
Affiliations

The mechanism of maternal inheritance in Chlamydomonas: Biochemical and genetic studies

R Sager et al. Theor Appl Genet. 1973 Jan.

Abstract

The cytoplasmic linkage group of Chlamydomonas shows maternal inheritance, i.e. preferential transmission of cytogenes from the female (m t (+)) parent and loss of the corresponding male (m t (-)) genome in sexual crosses. The mechanism of this process is postulated to be enzymatic modification of chloroplast DNA of the female to protect it from a restriction enzyme which degrades the chloroplast DNA of the male parent in the zygote soon after fusion. Genetic, biochemical and physical data bearing on this hypothesis are summarized and discussed.

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