Read the following sentences from the article. 1. Some people are just genetically gifted, but we have just scratched the surface in defining what we mean by genetic advantage. 2. Because sports performance is so complex, we find muscle strength measures to metabolism performance measures or cardiovascular performance measures. 3. It was originally argued that people with the II variant would be better at endurance and those with the DD variant would be better at strength. 4. We have very little information that it affects kids' performance. Which two sentences taken together provide the BEST evidence to support the idea that there are gaps in the understanding of how genetics affect sports performance? * 1 point
1 and 3
1 and 4
2 and 4
2 and 3