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Inheritance of differences in organs hairiness in Arabidopsis thaliana (L.) Heynh. Plants

Checheneva T.M., Kirpicheva I.V.

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It was determined that, according to the character «hairiness of rosette leaves», gl1-1 allele in homozygote state suppresses action of dis2-1 allele (dis2-1 < gl1-1), therefore F₂ segregation is identified in a typical for recessive epistasis ratio of 9:3:4. Inheritance of differences in hairiness of stem leaves corresponds to the Mendel scheme of segregation (9:3:3:1), which is typical for dihybrids. Hairiness is absent on stems of triple recessive for dis2-1, er-1, gl1-1 plants, and segregation in F₂ is observed in the ratio of 9:3:4.

Key words: Arabidopsis thaliana, trichomes, glabra, distorted trichomes

Tsitologiya i Genetika 2011, vol. 45, no. 1, pp. 18-23