This exam consists of 17 multiple choice questions and 3 short answer questions. Please record your answers to the multiple choice questions on the machine scored answer sheet. Your answers to questions 18 through 20 should go directly on this exam. You have 50 minutes to complete the exam.
Answers are in bold.
P, P a , P b , are three different alleles of the same gene in cows. The B allele causes gray body. What F1 phenotypic ratio is predicted when a black female is crossed to a gray male whose father was black. An Arabidopsis plant with stunted flowers was crossed with a plant from a true-breeding strain with long flowers. Select the answer that correctly identifies the stage for each cell.