Once a molecule of DNA has been replicated many times (usually about 50), it is no longer able to function properly. Why does the molecule stop functioning after many rounds of replication?

Which statement about inheritance is true? o girls get most of their traits from their moms, boys get most of their traits from their dads. o male offspring will always have an x-linked genetic disease if the mom is a carrier o fathers always determine the gender of the offspring in humans. o males never have y chromosomes.

Models are non-visual ways of coummincating how someone thinks about something in the natural world

Which chemical equation is unbalanced? which chemical equation is unbalanced