BIO207H5 Study Guide - Final Guide: Haemophilia A, Chromosomal Rearrangement, Heterogametic Sex

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Please note that the purpose of this sample exam is to give you an opportunity to practice writing your genetics exam, and to practice your timing. It is impossible to fit all course topics into every exam. There may be topics that don"t appear heavily on this sample exam, but do appear on your final exam. Enter your answers on the scantron sheet provided. Assume that a man with six fingers on each hand and six toes on each foot marries a woman with a normal number of digits. Having extra digits is caused by a dominant allele. The couple has a son with normal hands and feet, but the couple"s second child has extra digits. What is the probability that their next child will have polydactyly: 1/32, 1/8, 1/2, 3/4, 7/16, the chi-square test involves a statistical comparison between measured (observed) and predicted (expected) values.