He ____ (plan) a trip to the Fun World Museum with his family the other day.
某植物种群中,AA个体占16%,aa个体占36%,该种群随机交配产生的后代中AA个体百分比、A基因频率和自交产生的后代中AA个体百分比、A基因频率的变化依次为( )
用竖式计算.
37×2=