• 2022-06-06
    下图所示的新基因起源机制是哪一种? What is the mechanism of new gene origination described by the figure below?[img=288x118]1803a11743f8e21.png[/img]
    A: 逆转录转座 Retrotransposition
    B: 从头起源 De novo origination
    C: 外显子/结构域重排 exon/domain shuffling
    D: 基因水平转移 Lateral gene transfer
  • C

    内容

    • 0

      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

    • 1

      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

    • 2

      Which is not the mechanisms of horizontal gene transfer ( ) 以下哪一个选项不是水平基因转移的机制? A: transformation <br/>转化 B: Replication<br/>复制 C: transduction <br/>转导 D: conjugation <br/>接合

    • 3

      gene翻译为“基因”,“基因”属于外来词的哪一类?( )

    • 4

      细胞分化是由于()中某些或某种基因选择性地表达的结果。 A: 奢侈基因(luxury gene) B: 管家基因 C: 结构基因 D: 转录调控因子基因家族