D Parent D Gametes 40% 40% 10% 10% Non-recombinants Recombinants 不完全连锁的雨对基因
不完全连锁的两对基因
D d Parent D Gametes 25% 25% 25% 25% Non-recombinants Recombinants 自由组合的雨对基因(在同一染色体上)
自由组合的两对基因（在同一染色体上）
Diagram for linkage 连锁遗传现象的图解 .9.21 looe.M(D an ea saike lod alleles nent at merss with lbed disease alleles D
Diagram for linkage 连锁遗传现象的图解
Crossing over互换的机理 Crossing over is the process that created the chiasmata (crossover points)- that is, the actual process of exchange between paired chromones 互换是同源染色体的某些部位的交换过程
Crossing over互换的机理 Crossing over is the process that created the chiasmata (crossover points) – that is, the actual process of exchange between paired chromomes 互换是同源染色体的某些部位的交换过程
Crossing over两对基因的互换 X
Crossing over 两对基因的互换