关于染色体变异(1)一个21三体综合征的人(体细胞多1条常染色体)与一正常人结婚,生出的孩子患病几率?若与另一个21三体综合征的人结婚,生出的孩子患病几率?(2)假定某三体植物自交,n+1的卵
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![关于染色体变异(1)一个21三体综合征的人(体细胞多1条常染色体)与一正常人结婚,生出的孩子患病几率?若与另一个21三体综合征的人结婚,生出的孩子患病几率?(2)假定某三体植物自交,n+1的卵](/uploads/image/z/3978213-69-3.jpg?t=%E5%85%B3%E4%BA%8E%E6%9F%93%E8%89%B2%E4%BD%93%E5%8F%98%E5%BC%82%281%29%E4%B8%80%E4%B8%AA21%E4%B8%89%E4%BD%93%E7%BB%BC%E5%90%88%E5%BE%81%E7%9A%84%E4%BA%BA%EF%BC%88%E4%BD%93%E7%BB%86%E8%83%9E%E5%A4%9A1%E6%9D%A1%E5%B8%B8%E6%9F%93%E8%89%B2%E4%BD%93%EF%BC%89%E4%B8%8E%E4%B8%80%E6%AD%A3%E5%B8%B8%E4%BA%BA%E7%BB%93%E5%A9%9A%2C%E7%94%9F%E5%87%BA%E7%9A%84%E5%AD%A9%E5%AD%90%E6%82%A3%E7%97%85%E5%87%A0%E7%8E%87%3F%E8%8B%A5%E4%B8%8E%E5%8F%A6%E4%B8%80%E4%B8%AA21%E4%B8%89%E4%BD%93%E7%BB%BC%E5%90%88%E5%BE%81%E7%9A%84%E4%BA%BA%E7%BB%93%E5%A9%9A%2C%E7%94%9F%E5%87%BA%E7%9A%84%E5%AD%A9%E5%AD%90%E6%82%A3%E7%97%85%E5%87%A0%E7%8E%87%3F%282%29%E5%81%87%E5%AE%9A%E6%9F%90%E4%B8%89%E4%BD%93%E6%A4%8D%E7%89%A9%E8%87%AA%E4%BA%A4%2Cn%2B1%E7%9A%84%E5%8D%B5)
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