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Ribosomal RNA gene variation in diploid and tetraploid Tolmiea menziesii

✍ Scribed by Douglas E. Soltis; Jeff J. Doyle

Book ID
113325786
Publisher
Elsevier Science
Year
1987
Tongue
English
Weight
207 KB
Volume
15
Category
Article
ISSN
0305-1978

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Hyla chrysoscelis (2n = 24) and H. versicolor (2n = 48) are a diploidtetraploid species pair of tree frogs. Hybridization saturation of isolated 12SI-labeled ribosomal RNAs (rRNAs) with filter-immobilized DNA shows that there are twice as many rRNA genes in the tetraploid as in the diploid. For the