The bubonic plague of the fourteenth century reduced england’s human population by a. one-half b. one-tenth c. one-fourth d. one-third

What is a cordon and where is it found

What is a gene ? a) a section of a protein that codes for dna. b) the alternate version of a trait. c) the visible trait in the f1 generation. d) a section of dna that codes for a specific trait .

If assuming tasting ptc as a simple gene trait,what other genotype would you select to put in this missing genotype box that could result in this phenotype