Phenetic classification systems are based on many characters, and may also be weighted in favor of pqrticular characters.
表现型类系统是建立在许多性状上的一种类方法,尤其是利用一些主要的性状进行类。
Phenetic classification systems are based on many characters, and may also be weighted in favor of pqrticular characters.
表现型类系统是建立在许多性状上的一种类方法,尤其是利用一些主要的性状进行类。
Genetic analysis showed that the green-revertible albino trait was controlled by a sin-gle recessive nucleic gene.
遗传析发现该突变性状受一对隐性控制。
Cladistics A method of classification in which the relationships between organisms are based on selected shared characteristics.
生物体之间关系建立在有选择的性状上的类方法。
The drug will cause dermatatrophia, angiotelectasis, pigmentation and secondary infection if it is used for long time.
当药品性状发生改变时禁止使用。请将此药品放在儿童不能接触的地方。
Pod length mainly showed association of its genes and highly significant dominant effect,and even superdominant effect too.
角果长性状在两个座上呈联合布,显性效应均大于加性效应,且存在超显性。
When a dihybrid is selfed, a characteristic dihybrid ratio of 9:3:3:1 is obtained in the offspring.
用这个杂合子自交后,后代性状离的比率为9:3:3:1。
Darwin accepted blending inheritance, but Fleeming Jenkin calculated that as it mixed traits, natural selection could not accumulate useful traits.
达尔文承认混合遗传,但弗莱明•杰肯认为当性状是混合的情况下,自然选择不能积累有益性状。
In MP method, gaps are coded as missing data, the fifth character and treated by simple indel coding method respectively.
在最大简约法中,空位别被编码为丢失的数据、第五性状和简单插入缺失编码。
The correlations between the morphological characters and hetero-zygosity of R.philippinarum from Shanghai, Qingdao, Yantai, Xing-cheng, Dalian and Dandong were studied.
研究了中国沿岸6个群体(上海、青岛、烟台、兴城、大连、丹东)菲律的形态性状之间的关系,以及与遗传变异参数杂合度间的相互关系(除上海群体)。
Homogenous lines can be obtained in a very short time by haploidy breeding method such as microspore culture and anther culture.
摘要通过单倍体育种途径可快速获得纯合材料,增加有益性状的选择几率,加快育种进程。
Malt extract is made by extracting the soluble products from sprouted grain,used in mycological as a source of carbohydrate and nitrogenous.
性状本品系大麦提取的水溶物,用于配制真菌培养,提供碳水化合物及氮源。
Studies were made on the vegetative propagation coefficient and cormel's biological characters using eighth-excision in different development phase of Lycoris radiate.
摘要在红花石蒜不同生长发育期进行八法切割繁殖,研究无性繁殖系数和子球生物学性状差异性。
(2) all of biological characters, such as cormel's fresh weight, size, height, root length, roughness and root quantities, presented 1% significant difference.
(2)不同生长发育期无性繁殖的子球鲜质量、最大直径、子球高度、根系长度、根粗度及根系数量等生物学性状均呈现1%水平极显著差异。
The extract of Sophora japonica L. was processed by inorganic ceramic membrane, and the whole solid, effective ingredinent and flux of mebrane were examined.
用孔径为0.2μm的无机陶瓷膜对槐米提取液进行微滤,对提取液微滤前后在总固体、性状、指标性成、膜通量等方面的变化进行对比析。
The characters of SP1 variation plants at maturity stage also appeared big changes.SP1 variation plants had short growing period, high seed setting rate, loose plant-type and clavated spike-type.
成熟期SP1代变异株性状也有较大变化,表现为生育期显著缩短,结实率有所提高,株型向松散趋势发展,穗型则均表现为棍棒形,株高、穗粒数和千粒重的变化品种间表现不一致。
The resistance to float relates to the attributes and conditions of the ground water, the pressure and floatage of water, the change of water level and the sudden supplement of water.
结构抗浮验算与地下水的性状、压力和浮力、下水位变化的影响素、外补水有关。
The content of flavanone and lactone in leaf and the leaf output were studied by randomizing block arrangement of 31 gingko female varieties (strain) and 4 staminiferous plant type single clone.
摘要采用31个银杏雌性品种和4个雄株类型的单株无性系,随机区组排列,对叶产量性状及其与叶产量的相关性,叶黄酮、内酯含量进行了研究。
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