. [Miscellaneous reprints on botany]. Botany. 3 -4 (c) ' 3 ^3 ^3 •2-3 4 =2 Fig. 2. Side view of first raetaphase in (a) 724^/30, a fertile plant from a semi-sterile parent; (h) .';.32V30, Early Giant rogue; (c) 615V30, an F-^ plant from Early Giant rogue x Th. 10. The number of chiasmata present is printed under each bivalent, x 4000. (2) The loops on either side of a point of contact are at right angles. This is the mechanical result to be expected from an exchange of partner and it has always been found to be associated with chiasmata. (.3) If the points of contact between the chromosomes ar
. [Miscellaneous reprints on botany]. Botany. 3 -4 (c) ' 3 ^3 ^3 •2-3 4 =2 Fig. 2. Side view of first raetaphase in (a) 724^/30, a fertile plant from a semi-sterile parent; (h) .';.32V30, Early Giant rogue; (c) 615V30, an F-^ plant from Early Giant rogue x Th. 10. The number of chiasmata present is printed under each bivalent, x 4000. (2) The loops on either side of a point of contact are at right angles. This is the mechanical result to be expected from an exchange of partner and it has always been found to be associated with chiasmata. (.3) If the points of contact between the chromosomes are regarded as chiasmata, interstitial, sub-terminal and terminal, according to their position, their number and distribution agrees very well with that of the known chiasmata described in Tulipa (Newton and Darlington, 1929) and. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original [London
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Keywords: ., bookcentury1900, bookcoll, bookpublisherlondon, booksubjectbotany
