Which two sentences from the article include MAIN ideas of the article? * 1.Because DNA is passed from parent to child, it can tell scientists how a species or group within
a species changes over time. 2. Natural selection has resulted in certain versions of genes
becoming widespread among the Bajau people. 3. Many of these genes seem linked to biological
changes that could help individuals handle low-oxygen conditions. 4. Previous examples include
genes for lactose tolerance that cropped up with the beginning of domestication of dairy animals.