chromosome

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  • any of the rod-shaped or threadlike DNA-containing structures of cellular organisms that are located in the nucleus of eukaryotes, are usually ring-shaped in prokaryotes (such as bacteria), and contain all or most of the genes of the organism

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    chromosome

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    chromosome

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      chromosome

        33 Description archivistique résultats pour chromosome

        31 résultats directement liés Exclure les termes spécifiques
        Pelargonium sect. Eumorpha
        GB 235 GBY/3/4/3 · Pièce · n.d.
        Fait partie de Professor Mary Gibby Collection

        [COVER] "Pelargonium sect. Eumorpha"
        [INSIDE FRONT COVER] "Mary Gibby Department of Botany British Museum (Natural History) Cromwell Road London SW7 5BD"

        [LOOSE DOCUMENT FOUND INSIDE FRONT COVER, MAP OF S.AFRICA; REPRINT FOUND INSIDE BACKCOVER: "A New Basic Chromosome number in Pelargonium (Geraniaceae) by Mary Gibby and Julie Westfold

        Index [TRANSCRIBED FROM PAGE 0]
        A
        [PAGE] 1. NOMENCALTURAL NOTES
        [PAGE] 11. P x hortorum Bailey
        [PAGE] 31. Chromosome counts
        [PAGE] 51. karyotypes - P. multibracteatum 2n=18

        B
        [PAGE] 61. Karyotypes - P. alchemilloides 2n=34
        [PAGE] 71. Karyotypes - P. alchemilloides W.Cape 2n=16
        [PAGE] 81. Karyotypes - P. quinquelobatum 2n=18
        [PAGE] 91. Kayrotypes - "P. alchemilloides" 2n=18 GCM 1014
        [PAGE] 101. Kayotypes - P. multibracteatum S+H 2n=36

        C
        [PAGE] 201. Hybridization notes
        [PAGE] 206. Typification of P. alchemilloides s.l.

        [NOTE] The karyotypes contain photographs of chromosomes and individually cut out chromosomes taped to the sheet along side drawings

         Sans titre
        Chromosome Counts (tables)
        GB 235 GBY/7/1/7 · Pièce · n.d.
        Fait partie de Professor Mary Gibby Collection

        5 pages, typed.

        Appears to be from a larger document, page numbers 27-31. Printed and annotated in red and blue ink. Consists of 2 documents:

        • "Table 1. Chromosome numbers of the plants investigated" [4 pages]
        • "Table 2. Analysis of meiosis in hybrids involving P. alchemilloides (III = Trivalents, II = bivalents, I = univalents." [1 page]

        Table 1 lists species, collection number, & chromosome count
        Table 2 lists: species (hybrid), collection number, Diakinesis, and number of cells. There are only 2 specimens listed: STEU 2718 & CPG 5602a
        Chromosome Counts Comparison Tables
        GB 235 GBY/7/1/8 · Pièce · n.d.
        Fait partie de Professor Mary Gibby Collection

        15 pages. Typed & Handwritten. Chromosome Count comparison tables from various sections.

        Titles of the tables:

        • Section Eumorpha (1 page)
        • Section Hybrids (1 page)
        • Section Otidia
        • Section Cortusina
        • Section Dibrachya
        • Section Glaucophyllum
        • Section Jenkinsonia
        • Section Myrrhidium
        • Section Ligularia (2 pages)
        • Section Pelargonium (3 pages)
        • Section Ciconium

        Comparing chromosome counts between:

        • Coetzee (1981)
        • Albers (1983)
        • Gibby (1983)
        • Gauger (1937)
        • Daker (1959)
        • Knicely (1964)
        • Demarne (1980)
        • Motohashi (1982)

        Each table lists: species, STEU Project number (collection number), and each botanist named above

         Sans titre