In labradore retreivers black coat color is dominant to brown. suppose that a black lab is mated with a brown one and the offspring are 4 black puppies and 1 brown. what can you conclude about the genotype of the black lab parent?

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