What is the best measuring stick to use to determine the degree of fitness in evolutionary selection?
a. the increase in lifespan resulting from selection
b. the increase in chromosomal number within the nucleus
c. reproductive success
d. the number of available alleles for any one gene
e. the increase in geographical territory for any one species

the atomic number of magnesium is 12. its nucleus must contain 12 protons and no electrons. the atomic number of an atom is determined by the number of protons.

magnesium is an electrolyte injection commonly used to treat low magnesium levels in your blood. it is also used to prevent or control seizures in women with preeclampsia or eclampsia.

some inherited genetic mutations can be good for the offspring, so the answer is different genetic mutations cause many forms of cancer.