Which can disrupt the cell cycle?
A. mutation
B. G0 phase
C. Replication
D. Cancer

your answer is "the 1950's"

the diploid number of chromosomes is sometimes represented by the symbol 2n. for the fruit fly, the diploid number is 8, which can be written as 2n = 8, where n represents twice the number of chromosomes in a sperm or egg cell.

the tricuspid valve is present between right atrium and right ventricle