“合子”造句

被子植物开始时是浸沉在液体中的游离合子.
Angiosperms begin as free zygotes immersed in a fluid.

接合形成的合子是部分二倍体,也叫做部分合子.
The zygotes formed in conjugation are partial diploids or merozygotes.

不定胚与合子胚之间不能划分出明显的界限.
A sharp demarcation of adventive embryos from zygotic embryos cannot be drawn.

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