A:基因自由组合规律的实质表现在图中的④⑤⑥
B:③⑥过程表示减数分裂过程
C:左图中③过程的随机性是子代Aa占1/2的原因之一
D:右图子代中aaBB的个体在aaB-中占的比例为1/16
Tom rode his motorbike to work yesterday and had a crash with a car. His motorbike was ________ and he was seriously ________.
They are traveling Shandong Province.