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Gardens |
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The daylily has 11 chromosomes (see Brennan Part 2, pp. 73-77). The typical diploid plant has 2N or 22 chromosomes in pairs. The tetraploid plan has 4N chromosomes or 44. Certain daylilies such a H fulva Europa are 3N and are naturally sterile. They propagate only by vegetative growth. One can imagine this one plant reproducing and having people carry it all over the world. Genes can be analyzed and the collection of base pairs of G,T,C,A which compose the gene segments are what result in the plants characteristics. Thus some sequence of: GGTTCTTAAG may result in a yellow petal whereas GGTTGTTAAC may result in an orange petal. The gene patter is called its genotype and the physical attribute such as color is its phenotype. |
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