LS4 Midterm I INSTR: L. Johnson Monday, April 21, 2008
NAME:_ (last) (first) I.D. #_
INSTRUCTIONS 1. This exam is 6 pages long. Before starting make sure you have all the pages. 2. Be sure to write clearly. Only legible answers will be
Life Science 4:
Introduction to Genetics
LS4: Introductory Genetics
Our main objective is to get you to:
1. Understand basic genetics concepts.
2. Understand how to do the genetic problems.
3. Understand the genetic experiments.
Lecture 6 !Objectives: Students should be able to:!
Calculate gene linkage and genetic map distances and interference from
the frequencies of progeny with recombinant phenotypes from 2factor and 3-factor genetic crosses!
Use statistical analysis to determ
Lecture 8 Objectives: Students should be able to:!
Explain how inbreeding increases the number of homozygotes (and possibly disease) in
comparison to HWE!
Explain how natural selection can affect the elimination, maintenance or increase in
frequency of va
Lecture 7 Objectives: Students should be able to:!
Calculate allele frequencies based on phenotypic or genotypic data for a population, and
be able to explain the assumptions that make such a calculation possible!
Model how random mating yields predicted
Lecture 2 Objectives: Students should be able to:!
Explain Mendels 1st Law: The Law of Segregation!
Use a Punnett Square to predict the progeny of a cross!
Explain Mendels 2nd Law: The Law of Independent Assortment!
Use the product rule and sum rule !