The presence of a single mutated gene is sufficient for retinoblastoma cancer to develop.? 错误|正确

In many of Escherichia coli's operons, gene transcription is regulated by a single factor.

Some genes can be expressed in different ways to generate multiple gene products from a single segment of DNA.

If the trait transferred from the donor parent to the reincarnation parent is controlled by the recessive single gene, then the selection of the backcross progeny is required ( ) to separate the trait for easy selection.

Which of the following is correct about the gene chip? A: It can simultaneously analyze the variation of multiple genes. B: Microarray sample density is very small. C: It can be used to study the expression of multiple genes. D: It is mainly used for the analysis of single gene structural variation.

Among the following genes, ( ) is the housekeeping gene. A: Ribosomal protein gene B: Hemoglobin gene C: Insulin protein gene D: Ovalbumin gene

1.以下哪几项属于中度重复序列（ ） A: rRNA gene B: tRNA gene C: ncRNA gene D: 组蛋白gene

基因治疗的策略包括（） A: 基因置换（gene replacement） B: 基因修正（gene correction） C: 基因转移（gene augmentation） D: 基因灭活（gene inactivation

Which of the following methods is not included in gene diagnosis? A: Gene targeting B: PCR C: Nucleic acid hybridization D: Gene chip

世界上第一个被发现的新基因是 The first new gene discovered in the world is A: FGF4 基因 FGF4 gene B: XIST 基因 XIST gene C: “猴王” 基因 Monkey King gene (mkg) D: Jingwei 基因 Jingwei gene