P. C. Koller
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View article: The Origin and Behaviour of Chiasmata
The Origin and Behaviour of Chiasmata Open
1. Dasyurus and Sarcophilus have six pairs of autosome chromosomes. In Sarcophilus they show slight variation in length; in Dasyurus this is greater. The loci of attachment constrictions are median, submedian or subterminal.2. The ehromoso…
View article: Cytological Studies in <i>Crepis aurea</i> and <i>C. rubra</i>
Cytological Studies in <i>Crepis aurea</i> and <i>C. rubra</i> Open
1. Crepis aurea and C. rubra have 10 chromosomes in their diploid sets. The chromosomes differ only in absolute size, the position of attachment constriction being nearly similar in both.2. In C. rubra a third strain is described, which di…