The Orchid Doctor Articles under the Heading Ploidy

Ploidy Comments
PLOIDY: A Basic Genetic Concept Dealing with Chromosome Number Levels Reproductive egg and sperm carry a haploid set of chromosomes; when hybridized they become diploid (2n) or triploid (3n) or tetraploid (4n) pentaploid (5n),etc; more than 2n are called polyploids. A68-20 0
PLOIDY: A Simple Explanation Better known as polyploidy, which see; an explanation of mitosis (prophase, metaphase, anaphase and telophase); chromosomes numbers (pioidy); for details refer to AU87(4)-47 0
PLOIDY: Problems Caused by Chemical Change of Diploids Cells should either double or quadruple their chromosomes; on the variation in results being obtained, especially in cymbidiums; the problems connected;recognition of changed clones; the effects on consumers; refer to OA79-5+ 0

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