Benner and his team hypothesized that duplication of the ancestral gene occurred near the time ______.
举一反三
- He is _________ with his time and money. ( ) A: general B: generous C: generate D: gene
- The formation of corn color is mainly due to which of the following ways: A: Horizontal gene transfer B: Gene duplication C: Mobile genetic elements D: Exon rearrangement
- that there was no time to lose. A: It occurred to me B: It was occurred to me C: As was occurred to me D: What was occurred to me was
- The observation that some genes are mosaics of other genes can be explained by ______. A: evolution B: drift C: exon shuffling D: gene duplication E: pseudogenes
- Arriving home, the boy told his parents about all the ________ which occurred in his dormitory.