Articles written in Journal of Genetics
Volume 16 Issue 1 November 1925 pp 63-76
The heart leaf (h) and the “Shishi” form (si) are respectively transmitted as recessives to the normal.
Owing to the incomplete dominance of the H and Si factors the segregating ratios are each a 1 : 2 : 1.
About 1.2 per cent. of crossover occurs in a linkage between these two factors. By the convenient nature of incomplete dominance calculation of. linkage was directly made with the self-propagated specimens in the hybrid progeny.
The percentage of crossover is almost equal in the case both of coupling and repulsion.
The Si factor represents multiple effects on flower and leaf as well as cotyledon.
The grasped leaf found in the “Shishi” strain is due to the result of the additional effect of a punched factor (u).
Volume 19 Issue 1 November 1927 pp 97-130
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