2《染色体变异》课件(6)(新人教版必修2)ppt
aaaabbbbdsc_9049.jpg
高中生物解题技巧ppt
2染色体变异 a.aaaabbbb 四倍体 b.aabb 二倍体 c.
aabb→aaaabbbb→aabb和aabb或者aabb和aabb→ab,ab,ab,ab或者ab,ab
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