查询词典 meiosis

At this time, meiosis has not yet occurred in the megasporangium.

在这次，减数分裂在大孢子囊中还没有发生。

Each megaspore mother cell, which ultimately undergoes meiosis, giving rise to a linear series of four megaspores.

每 megaspore 母亲细胞，最后接受减数分裂，引起线连续的四 megaspores。

Ten days post meiosis, megaspore gave rise to the one nucleate embryo sac.

花粉粒在授粉后三天发芽长出花粉管。

Seeds produced in this way may be either haploid or diploid depending on whether or not the megaspore mother cell undergoes meiosis, often, in the process termed pseudogamy, entry of the male gamete is required to stimulate the development of the female gamete, even though nuclear fusion does not occur.

有时也有假结合的过程发生，在这个过程中，雄性配子的进入是为了促进雌性配子的发育，但核融合的现象却不发生。

Ovule development began in August, and rectangle megasporocyte began to occur in December, and linear tetrads of megaspores were formed in meiosis. In most occasions, only the chalazal megaspore was functional.

云南红豆杉胚珠从8月开始发生，大孢子母细胞12月开始发生，呈方形，减数分裂后形成4个"一"字形大孢子，在大多数情况下，只有靠合点端的大孢子发育为功能大孢子。

Under the same environmental conditions when the meiosis of microspore mother cell develop into tetrads the female buds were dipped duly with colchicine solution, which guaranteed that chromosome doubling of megaspore in white poplar could be accomplished in a short time. So much workload was cut down, and induction efficiency of triploid white poplars was also improved.

当相同生境以及培养条件下的小孢子母细胞减数分裂达到四分体后，适时采用秋水碱溶液对雌花芽进行浸泡处理，可保证白杨大孢子染色体加倍处理能集中于一个较短的时间段内进行，从而大大减轻了工作量，同时提高三倍体诱导效率和效果。

The first stage of meiosis, constituted by a series of events that include ''.

前期阶减数分裂的第一个阶段，由一系列的事件组成，包括脱氧核糖核酸的''。

In addition, they need to come from the Y chromosome genes can be achieved meiosis.

此外，它们需要来自Y染色体的基因才能实现减数分裂。

Meiotic prophase ⅠⅠ more complicated, many of the special process of meiosis have occurred in this period.

减数分裂Ⅰ前期Ⅰ比较复杂，减数分裂的许多特殊过程都发生在这一时期。

That's you. But Candida doesn't bother with meiosis when it mates.

那就是你。但是假丝酵母在配对时没有减数分裂的麻烦。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷