A genetic mutation occurs that alters the specificity of theGolgi enzyme that phosphorylates mannose residues in theoligosaccharides of glycoproteins. The effect of the mutation issuch that the enzyme now indiscriminately and randomlyphosphorylates mannose residues on all glycoproteins passingthrough the Golgi complex.A. What is the normal roleof this enzyme?B. What is […]

In mice, agouti fur is a dominant trait resulting in individual hairs having a light band of pigment on an otherwise dark hair shaft. A mouse with agouti fur is shown here, along with a mouse with solid color fur, which is the recessive phenotype (A = agouti; a = […]

Chupacabras are mammals with hair length that varies from no hair to very long. It is known that two genes affect the length of a chupacabra’s hair and that the genes have additive effects. A hairless organism has the genotype G1G1H1H1 and a very long haired organism has the genotype […]

Kris and Kurt are twins. You are interviewing them together. You drop a paperclip on the floor while talking to them. You immediately leave the room. You return about 5 minutes later and ask if either of them remember what happened just before you left the room. Neither of them […]