Instructions

Arrange the sentences in the most logical order to form a coherent paragraph. From the given options (A, B, C, D) choose the appropriate sequence.

Question 4

i. The data came from the UK Biobank, which contains genetic and medical data from half a million people.
ii. Intriguingly, this analysis suggests genetic contributions to intelligence and educational achievement are currently disfavoured by natural selection.
iii. Positive correlation means an association with successful reproduction; negative one means exactly the opposite.
iv. A study just published uses a new statistical method to examine how genetic contributions to certain human traits such as intelligence correlate With how many children a person has.

Solution

First, a study looked at genes and how many kids people have (iv). It used data from a big UK source (i). Then, it explained what a "positive" or "negative" link means in this study (iii). Finally, it shared the interesting finding: genes for being smart seem to be linked to having fewer kids (ii).


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