A pedigree<span> chart displays a family tree, and </span>shows<span> the members of the family who ... </span>Pedigrees<span> are interesting because they </span>can<span> be used to do </span>some<span> detective ... This does </span>not<span> apply to the founding parents – either or both of the individuals at ... (3) An unaffected individual </span>can<span> be a </span>carrier<span> (have </span><span>one</span>allele<span>) of a </span>recessive trait<span>.</span>