BIO207H5 Study Guide - Final Guide: Lethal Allele, Sister Chromatids, Punnett Square
Document Summary
Lecture 1 - introduction: the day before yesterday i was 25 and the next year i will turn 28. This is true only one day in a year. Answer: he was born on december 31st, and spoke about it on january 1st: two trains, 200km apart, are moving toward each other at the speed of 50km/hour each. A fly takes off from one train flying straight toward the other at the speed of 75km/hour. Having reached the other train, the fly bounces off it and flies back to the first train. The fly repeats the trip until the trains collide and the bud is squashed. Answer: b 30: a woman"s brother died from tay sach"s disease (autosomal recessive, lethal), but she is unaffected. Answer: a 2/3 (67%: your paternal grandfather"s sister died from cystic fibrosis. Lecture 2 transmission genetics (part 1: your paternal granddad"s sister had cf.
