Colombera D. & Fenaux R.
-Italian Journal of Zoology, 40:3-4, 347-353
+Italian Journal of Zoology, 1973, 40:3-4, 347-353
Chromosome form and number in the larvacea
+“In 10 anaphase plates (fig. 10) a chromosome number of 16 was
+regularly found. I n another five anaphase plates, presumably because of
+chromosome losses during the squashing, a lower number mas found.
+
+These chromosomes are exceedingly small, without morphologically
+differentiated structures. They are rod-shape, with a sharp bend in a
+medial or submedial position ; of the two arms individuated by the bend,
+one is often thinner than the other.
+
+As is often the result of squashing, the direction of tlie chromosome
+movement is clearly altered for some chromosomes. Since none of the
+chromosomes appears to be homologous we consider such chromosomes
+to be meiotic and in consequence we mould assign a haploid number of
+eight to 0. dioica, with the reservation that the above mentioned plates
+might be mitotic in which case the true haploid number would be four.”
+
[[!doi 10.1080/11250007309429248 desc="Reports 16 chromosomes in meiotic cells (8 haploid chromosomes)."]]