Carbon has an atomic number of 6 and a mass of 12. Carbon-14 is a naturally occurring isotope of carbon. How many neutrons are in carbon-147 O A 2 2 O B.6 O c. 8 0 D. 28

Afamily has a y-linked disease that affects the father. what is the chance of a male offspring inheriting the same disease? oa. 100% ob. 50% oc. 25% d. 0%

If a strand of dna has 35% thymine. what is the percentage of cytosine, adenine, guanine?

Which claim correctly describes how genes can produce a phenotype? one gene is responsible for all traits. each trait is determined by a single gene. one gene can be responsible for many traits. each gene is responsible for exactly one trait.