配子融合

高粱恢复可育基因的非配子融合转移及其后代表现

Transfer of the Male Fertile Genes of Restorer without Gametic Fusion and the Expression in the Progeny of Sorghum

番茄的受精作用属于有丝分裂前配子融合类型。开花后6h，胚囊已受精，退化助细胞中钙含量进一步增加；

Double fertilization is the type of the Premitotic gametogamy . Six hours after anthesis at time when double fertilization had finished , the calcium deposits in the degenerated synergid increased .

小麦恢复可育基因非配子融合的转移

Transfer of Male Fertile Gene of Restorer into Male Sterile Wheat Through Non-gametic Fusion

多倍体主要是通过未减数配子融合，体细胞染色体加倍以及多精受精三种方式起源的。

The major cytological mechanisms of polyploid formation are union of unreduced gametes , somatic doubling and polyspermy .

硅藻类的营养细胞是二倍体，它是由配子融合直接产生的。

In diatoms the vegetative cells are diploid , and are formed directly by the fusion of gametes .

两个二倍体配子融合可能产生一个四倍体合子，这样的配子也可以通过孤雌生殖直接发育而来。

Two diploid gametes may fuse to give a tetraploid zygote , or gamete may develop directly by parthenogenesis .

精卵融合与精细胞和极核的融合几乎同时完成，以雌、雄性核仁完全融合作为双受精结束的标志，属于有丝分裂前配子融合类型。

Sperm-egg fusion and sperm-polar nuclei fusion are almost simultaneously , the fusion of female and male nucleoli mark the end of double fertilization ; belong to Pre-mitotic type of gamete fusion .

球员将尝试利用与同伴的二过一配合突入禁区。两个二倍体配子融合可能产生一个四倍体合子，这样的配子也可以通过孤雌生殖直接发育而来。

The player tries to get into the penalty box by passing a teammate who relays the ball back to him . Two diploid gametes may fuse to give a tetraploid zygote , or gamete may develop directly by parthenogenesis .

观察了大麦雌雄性配子的融合过程及其幼胚的早期发育。

The process of fertilization and early embryogenesis in barley was observed .

当两个配子核融合形成合子时，又恢复二倍体状态。

The diploid condition is restored when the nuclei of two gametes fuse to give the zygote .

（生物学）由两个不同（尤其是大小不同）配子相结合或融合而进行的繁殖。

( biology ) reproduction by the union or fusion of two differing gametes ( especially differing in size ) .

受精（有性生殖）：一个雌配子和一个雄配子融合形成一个合子，是有性生殖的基础。

Fertilization ( syngamy ) The fusion of a male gamete with a female gamete to form a zygote , the essential process of sexual reproduction .

减数分裂四倍体由2x的2n配子和经选择的4x的正常配子融合产生，避免了化学诱变的不良影响，能够较好的实现双亲优良性状的互补，也比较容易稳定。

Meiosis tetraploid is generated from the blending of 2n gamete of 2x and selected normal gamete of 4x , the blight of chemical mutation is avoided , the complementation of good traits from parents is realized and the stability is better .