Mountain Bike is the correct answer
epistatic gene
Explanation:
Some genes mask the expression of other genes just as a fully dominant allele masks the expression of its recessive counterpart. A gene that masks the phenotypic effect of another gene is called an epistatic gene; the gene it subordinates is the hypostatic gene.
They no longer will be able to produce adequate amounts of ATP.
Cancerous cell just continue to divide giving rise to mases of cells called tumor.
The answer is cholesterol