Conclusion chromosome abnormalities may be one of the important causes of abortion , stillbirth , monster and malformation 其中常染色体异常16例,性染色体异常3例,染色体形态异常7例,标记染色体3例。
The reason for this is unknown at the present . possibly , cg - rich and at - rich regions in amphioxus dna are not as " rich " as those in the vertebrate dna , that is , amphioxus dna ha 虽然nogusa ( 1957 )认为b . belcheri存在xy型的性染色体,至于青岛文昌鱼的性染色体是xy型或zw型尚待深入研究。
性: nature; character; dispositi ...染色体: chromosome雌性染色体: x chromosome; x-chromosome惰性染色体: inert chromosome复性染色体: multiple sex chromosome女性染色体: a female chromosome性染色体x: sex chromosome x性染色体y: sex chromosome y性染色体病: sex chromosomal disease性染色体的: allosomal; heterosomal; sex chromosomal性染色体说: sex-chromosome theoryx染色体,性染色体: x-chromosomey染色体,性染色体: y-chromosome异向染色体, 性染色体: heterotropic chromosome异型染色体, 性染色体: heterotypical chromosomes粉碎性染色体: shattered chromosome果蝇性染色体: drosophila sex chromosomes男性性染色体: male sex chromosome女性性染色体: female sex chromosome三体性染色体: trisomy chromosome性染色体畸变: heterosomal aberration性染色体遗传: allosomal inheritance性染色体异常: abnormalities of the sex chromosomes; anomaly of sex chromosome; sex chromosomal abnormality; sex chromosome abnormality; sex chromosome anomaly染色体特异性染色: chromosome specific stainingx0性染色体改变: x0 sex chromosome alteration