extant limpet. In addition, bivalves also acquired a novel structure, adducter muscle to close the separated shell plate. Because the two novel structures, the separated shell plate and the adducter muscle appear early embryonic stage, their evolution should be understood as a modification of early development. To understand the evolution of bivalve bodyplan, we have traced the cleavage pattern...

Genetic diversity is a study undertaken to classify an individual or population compared to other individuals or populations. This is a relative measure, as the distance between any pair of entries in the study is greater or lesser depending on all pairwise comparisons that can be made in the study. However, genetic fingerprinting is the unambiguous identification of an individual (based on the...

ISSR molecular markers have been used to investigate genetic diversity of oca (Oxalis tuberosa Mol.), an Andean neglected tuber crop species. Sampling procedure allowed a preliminary study of the genetic diversity at the intraand intervarietal levels. Twenty tuber lots conserved in situ in the microcentre of Candelaria and ex situ in the Toralapa Centre (Bolivia) were identified. Four ISSR prim...

Within the framework of our cotton breeding program, we are using molecular markers to improve the efficiency of the introgression of fiber quality traits into a favorable genetic background. This effort relies on i) the development of a saturated genetic map of the cotton genome, ii) the identification of fiber quality QTLs, and iii) the marker-assisted introgression of favorable genomic regio...