Imagine you are a scientist trying to determine the evolutionary relationship between two different groups of snakes.The first group of snakes lives in North America , the second lives in Africa. The two groups are very structurallysismilar,although the North American snakes are brown and white andthe African snakes are green. […]

Q1. Which of the classes of RNA molecules is linked with proteins in form the large and small subunits of a cytoplasmic structure? A) ribosomal RNA B) transfer RNA. C) messenger RNA D) primary RNA transcript Q2. In birds, males are ZZ and females are ZW. A recessive lethal allele […]

I made a cross between a female fly with vestigial wing size and a male fly with an incomplete wing vein mutation. Carefully study the phenotype of this male fly to be sure that you understand the effect of the incomplete allele. I saw that all the offspring were wildtype […]

Q1. Hulton Getty, London. Massie, Robert K. Nicholas and Alexandra. Pedigree for hemophilia A in European royal houses. How would you understand this inheritance pattern? Q2. The stability and spoilage of fatty acids/fats unsaturated fats oxidize more readily, so they have a shorter shelf life, an important issue with food […]