How are checkpoints currently behaving in sally cancer cells ?

Two checkpoints are sensitive to DNA damage, one that acts before mitosis and a second that acts before DNA replication. This is relevant to cancer because checkpoint mutants show genetic instability, and such instability is characteristic of many cancers.

answer; i believe that the correct answer is ; males are hemizygous for the x chromosome;

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what do the different brain waves do?

explanation:

brainwaves are produced by synchronised electrical pulses from masses of neurons communicating with each other. brainwaves are detected using sensors placed on the scalp. brainwave speed is measured in hertz (cycles per second) and they are divided into bands delineating slow, moderate, and fast waves.