You discover a dominant gene allele that expresses blue pigment in hair, with 40% penetrance. That means that

What are the possible blood types among the children of parents that are ab and ii? oa) types a and b ob) types a, b, and ab c) types a, b, and o od) types a, b, ab, and o

The structure of a dna molecule is best described as a. one long strand of nucleic acids b. two strands of dna nucleotides joined by hydrogen bonds c. two strands of amino acids joined by hydrogen bonds d. one long strand of amino acids

Based on their relative positions in the periodic table, which two elements would have the same number of valence electrons?