果蝇(Drosophila<br/>melanogaster)的p53基因在最新果蝇基因组注释上物理位置是:23049657--23054082。(<br/>)

Which of the following insects is the most famous for scientific research materials? A: Drosophila melanogaster B: house fly C: Aedes aegypti D: silkworm

果蝇（Drosophila melanogaster）的p53基因在最新果蝇基因组注释上物理位置是：18875379--18879804。 A: 正确 B: 错误

. In the Drosophila ovary, which of the following proteins is responsible for creating and maintaining the niche for germ-line stem cells?a. Hedgehogb. FGFc. Armd. Ptc A: a B: b C: c D: d

In the Drosophila ovary,<br/>which of the following proteins is secreted from the cap cell and is<br/>responsible for creating and maintaining the niche for germ-line stem<br/>cells______? A: Hedgehog B: FGF C: Arm D: Ptc

下列常用模式动物中哪些是脊椎动物？ A: 秀丽隐杆线虫 Caenorhabditis elegans B: 小鼠 Mus musculus C: 黑腹果蝇 Drosophila melanogaster D: 斑马鱼 Danio rerio

Which of the following is the CORRECT order of gene groups expressed in normal Drosophila development? 1. Gap genes2. Homeotic genes3. Pair-rule genes4. Segment-polarity genes5. Egg-polarity genes A: 5, 1, 3, 4, 2 B: 1, 2, 3, 4, 5 C: 4, 2, 5, 1, 3 D: 3, 1, 2, 5, 4 E: 5, 2, 4, 3, 1