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The multipartite mitochondrial genome of Fallopia multiflora (Caryophyllales: Polygonaceae)
1Genomics Division, National Institute of Agricultural Sciences, Jeonju, Korea.
Abstract:
Fallopia multiflora is an important Oriental herb belonging to the family Polygonaceae. The F. multiflora mitochondrial genome consists of two circular chromosomes that were 200,352- and 112,098-nucleotides long. The mitochondrial genome encodes 57 genes, including 34 protein-coding genes, 20 transfer RNA (tRNA) genes, and three ribosomal RNA (rRNA) genes. When accounting for 3 overlapping genes, 38 genes were found in chromosome I, and 22 in chromosome II. The phylogenetic analysis suggests that F. multiflora is closely related to Beta macrocarpa and Silene latifolia.
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Trihybrid Crosses
Some of Mendel’s crosses examined three pairs of contrasting characteristics. Such a cross is called a trihybrid cross. A trihybrid cross is a combination of three individual monohybrid crosses. For example, plant height (tall vs. short), seed shape (round vs. wrinkled), and seed color (yellow vs. green).
The F1 generation plants of a trihybrid cross are heterozygous for all three traits and produce eight gametes. Upon self-fertilization, these gametes have an equal...

