Which are major components of ribosomes?

(a) single strands of sugar

(b) dna and proteins

(c) rna and proteins

(d) double strands of nucleic acids

Guinea pig coat color is determined by a single gene. the allele for black coat color is dominant to brown. in a cross between twoblack-haired guinea pigs, 20 offspring are born. if both parents were heterozygous, probability would predict that approximately howmany of the 20 offspring would have brown hair?