plastid of most angiosperms is uniparental maternal inheritance, yet a majority of gymnosperm is uniparental paternal inheritance.
被子植物的质体多数表现为单亲母系遗传,大多裸子植物的质体则为单亲父系遗传;
accessorial types such as fern and its spore, gymnosperm and its pollen appeared from devonian to jurassic.
泥盆纪至侏罗纪油气形成的母源体新增加了蕨类植物及其孢子、裸子植物及其花粉等;
he also observed that gymnosperm ovules were not enclosed in an ovary wall, leading to the establishment of one of the basic differences between angiosperms and gymnosperms.
it has also been found that the gymnosperm plants have few copies of chs gene in a particular nuclear genome, but copy number varies greatly in the angiosperm plants.
chs基因在裸子植物中的拷贝数较少,而在被子植物中拷贝数变化很大。
investigated the huhhot 12 main road green space plant landscape present situation, the path afforests the tree seed to have 27 kinds, in which gymnosperm 5 kinds, the angiosperm 22 kinds.
we are mainly focused the model plant arabidopsis thaliana, which is an ideal system to study epigenetic processes, but we are also interested in other plants such forestry gymnosperm species.
我们以拟南芥为主要的模式研究对象,同时也关注表观遗传学在作物和裸子林业植物中的应用。
gymnosperm a general term for any seed plant except the angiosperms, characterized by bearing naked seeds.
裸子植物:被子植物以外的种子植物统称裸子植物, 以种子裸露为特征.
plants of gymnosperm had been through a long historical evolution on earth, fossil records of which originated from the late devonian period.