ancient gene duplication造句

例句与造句

1. Gogarten rooted the tree of life using an ancient gene duplication.
2. Many well known protein families are the result of this process, such as the ancient gene duplication event that led to the divergence of hemoglobin and myoglobin, the more recent duplication events that led to the various subunit expansions ( alpha and beta ) of vertebrate hemoglobins, or the expansion of G-protein alpha subunits
3. It's difficult to find ancient gene duplication in a sentence. 用ancient gene duplication造句挺难的