الفهرس 
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Abstract
The present study was carried out to analyze the phylogenetic differentiation based
on phenotype analysis depends on morphometric and meristic characters and
compare with genotype analysis depends the differences in genotype based on
Microsatellites fingerprinting among four populations of wild and cultured
Gilthead Sea bream, Sparus aurata and know the phenotypic plasticity degree in
these populations. This work was undertaken at Animal Production Department,
Faculty of Agriculture, Suez Canal University, Ismailia, Egypt. The results
showed significant differences (P≤0.05) in most of phenotypic characters among
different populations tested. The genetic similarity coefficients among four
populations based on 10 primers, showed that the highest genetic similarity (91%)
exhibited between El-Deeba and Bardawil population and between Bardawil and
Suez Canal. While, the lowest genetic similarity (80%) recorded between
Alexandria and Suez Canal populations. The hierarchical cluster analysis based on
ISSR fingerprinting, grouped the four populations into two major category groups.
Within these major grouping, the first group was Alexandria population, while El-
Deeba, Bardawil and Suez Canal populations were grouped in the second one.