隔代遗传

If a child of very quirt, home-loving parents and grandparents should display the love of travel and adventure that had characterized a sea-captain ancestor, it would be called a case of atavism.

母及祖母都是很安静而好家居的，孩子表现了一位当船长的祖先的特点，好旅行探险，就可以说是一个隔代遗传的例子。