Question 7 (5 points) each row in the periodic table ends with metal nonmetal metalloid noble gas

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Each row in the periodic table ends with a "Noble Gas"

Noble gasses have a family of six elements. These elements all have the same chemical properties. These elements are all colorless and odorless.

multiple allele inheritance is traits controlled by more than 2 alleles (ex: pigeons having 3 alleles of one gene govern their feather color).   so the answer is a.