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The mitochondrial DNA cytochrome b of 132 Leiocassis longirostris collected from 12 localities in the upper to lower reaches of the Yangtze River were amplified and partially sequenced using the PCR technique. The results showed that 27 nucleotide sites were variable along 817bp length of homologous sequence (3.3%), base substitutions happened mostly at the third codon position. A total of 22 haplotypes...
The morphological variations of branches, leaves, flowers, fruits and seeds of Caragana microphylla and their correlations with environmental factors were analyzed based on five natural populations in the Xilingol steppe, Inner Mongolia, China. Nested variation analysis showed that there were significant differences in all of the 28 morphological characters within and among populations in 16 morphological...
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