16.若某动物（$2n=4$）的基因型为BbXDY，其精巢中有甲、乙两个处于不同分裂时期的细胞。如图所示。据图分析，下列叙述正确的是
图甲
图乙
染色体变异与减数分裂 · 历年高考生物真题与解析
本页汇总 高考真题检索 的「染色体变异与减数分裂」高考生物真题共 1 道，覆盖 2025 年，最常出题型为 单选题；含完整答案与解析。
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