父母身高相加,总和减去5英寸(13厘米),用结果除以2。
比如父亲1米76,母亲1米65,那女儿的身高就是(1.76 + 1.65 - 0.13)/ 2 = 1.64,即1米64。
There is a more complicated formula for extreme differences in parental height.
父母身高差距比较大的话,需要用另一个复杂点儿的公式。
These predictions are by no means completely reliable, however, as environmental factors such as nutrition play a big part in determining human height.
不过这种预测不可能完全准确,因为还要考虑环境因素,比如营养状况就会对身高发挥重要影响。
Genetics is estimated to account for between 60 and 80 per cent of one's final height.
基因约占所有影响身高因素的60%至80%。
A study of 8,798 pairs of Finnish twins conducted in 2000 found that genetics accounted for 78 per cent of height in adult men and around 75 per cent in women.
2000年,一项针对8798对芬兰双胞胎的研究显示,基因对男性身高的影响达78%,对女性达75%。
However, as we all know not all children born to the same couple will be the same height.
不过正如我们所知,同一对父母,其所有孩子的身高不一定会是相同的。
Science shows that height tends to decrease in younger siblings.
科学研究证明,后出生的孩子身高会倾向于变矮。
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