The phrase "altering the majority of" is correct and usable in written English.
It can be used when discussing changes that affect most or a significant portion of something, such as a group, system, or process.
Example: "Altering the majority of the rules will require a thorough review and consensus from all members."
Alternatives: "modifying most of" or "changing the bulk of".
As long as the milk production and the body condition of the animals is not significantly altered, the majority of the farmers usually neglect the diarrhoea episodes of their cows although these have negative effects on the cows health and can lead even to death by dehydration.
Presser saw that, while "not allow" and "forbid" might literally mean the same thing, the difference in the connotations of the words — the intimidating, legalistic tone of "forbid," compared with the gentler, parental tone of "not allow" — was significant enough to reverse a person's stated opinion on an issue and alter the majority result of a survey.
Among the 24 pancreatic cancers studied, 69 gene sets were altered in the majority of tumors.
The p53 tumour-suppressor gene is found altered in the majority of colorectal cancers.
For the double mutants, surprisingly, the ratios were not altered in the majority of cases compared to the wild type.
The mixture profile was considerably altered, with the majority of molecules degraded within 60 s of being heated at 250 °C.
The expression of some autosomal genes was also altered, but the majority of differentially expressed genes was X-linked.
The expression of genes regulating the cell cycle was clearly altered, with the majority of them being reduced in expression (Table 5).
For aiding cancer diagnosis, a biomarker should be specifically altered in the majority of patients with a specific malignancy or premalignant condition.
Importantly, the pRB/E2F pathway is altered in the majority of human cancers either by lesions at the pRB locus or by the functional inactivation of pRB via CDK \hyperactivation or CDK inhibitor inactivation.
In myeloma patients, osteoblasts are exhausted and thus circulating bALP is reduced or not altered in the majority of patients compared to gender- and age-matched controls (Terpos et al, 2010a).
