It generally occurs when there are two or more allelic forms of a major gene in a population 当种群中的主要基因具有两个或多个等位基因类型时,不连续变异可以发生。
Discontinuous variation ( qualitative variation ; qualitative inheritance ) a form of variation in which a character has two or more distinct forms in a population 不连续变异:在种群中存在两个或多个完全不同性状的一类变异方式。
Continuous variation ( quantitative variation ; multifactorial inheritance ) a form of variation in which the characters show continuous variation within a certain range of values 连续变异:变异的一种类型,其性状在一定的范围内是连续变化的。
Varieties of flowering colors present cline . specially , variations of flowering colors within puer population are many and varied . longs and widths of perianths as well as longs of stamens are continuous variation of quantitative characters 结果表明:居群内各种形态性状都具有丰富的多态性,居群间具有明显的多型性;花色呈梯度变异,特别是普洱居群花色变异式样最丰富;花被片的长与宽和雄蕊的长度是数量性状的连续变异。