Deletion of 4 bases from the coding region of a gene will give _______. A: nonsense mutations B: missense mutations C: silent mutations D: frameshift mutations

The research shows that a 40- year-old man passes on an average of _________________ mutations to the child,

Mutations<br/>of many bacteria have relations with nutrients in culture medium and<br/>culture condition.

PCR is used to detect _____________________. A: COVID-19 viruses B: HIV infection C: tubuculosis infection D: disease-associated genetic mutations

下面选项中,表示驱动应用的数据源的是()。 A: Mutations B: Actions C: View D: State

Which of the following is not a cause of metabolic disorders? A: genetic mutations B: hormonal imbalance C: a cell’s failure to recognize a hormone D: feedback inhibition

下面选项中,用来定义store实例的初始数据的是()。 A: getters B: actions C: mutations D: state

The gene that encodes Factor VIII, a protein that functions in the blood-clotting pathway, contains ___ exons. Mutations in this large gene are responsible for the most prevalent form of the blood disorder hemophilia.

Among the stability genes are ___________________________. A: ATM B: theXPgene family, in which mutations lead to xeroderma pigmentosum C: theBRCA1 genes associated with some types of breast cance D: CDK1

Normally, if a healthy cell acquires too many mutations to develop properly, the p53 gene will initiate cellular suicide. If this gene stops working, however, the cell keeps growing and can become malignant .