1.Antherozoid (spermatozoid) The male gamete of algae, some gymnosperms, and the non-seed-bearing plants.
1.藻类,某些裸子植物和没有种子形成植物中
雄性配子。
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17.In Klinefelter syndrome, the sex chromosome pairs which is either XX or XY don't separate in meiosis I in the male or female germ cell and this resulted in two gametes with a pair of X chromosomes and two gametes without X chromosomes.
Klinefelter综合征中,配对的XX或XY性色体对在父亲或母亲的第一次减数分
中没有分离,从而产生了两个有两
X
色体的配
以及两个没有X
色体的配
。
18.If failure also happens during meiosis in these germ cells as they give rise to gametes, other XXXXY, XXXY and XXYY genotypes that also lead to Klinefelter syndrome can result including the rare situation where there's an additional Y chromosome.
如果有丝分和减数分
均发生了不分离,那么这类Klinefelter综合征患者的基
型就可能是XXXXY,XXXY和XXYY等,包括了同时多出一
Y
色体的罕见情况。