What is the biological mechanism behind the variation within sexually reproducinWhat is the biological mechanism behind the variation within sexually reproducing species? Obviously Show more What is the biological mechanism behind the variation within sexually reproducing species?
Obviously the children are combinations to differing degrees of their parents. But how does the variation originate in the parents to begin with? Im not referring to evolution or mutations rather I have in mind things like facial structure and personality in humans or fur coloring in dogs. I just thought I vaguely remembered there was some kind of driver of variation For example does the parent produce a variety of germ cells that purposely differ from the parents geneome? I just think Im missing something here. (Im familiar with DNA and genetics having taken a biology class in college and remembering much of it I just cant seem to put my finger on this point) Show less
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