This preview has intentionally blurred sections. Sign up to view the full version.View Full Document
Unformatted text preview: GENETICS OCTOBER 6, 2009: IN CLASS PROBLEM SOLVING SESSION 1. DI-HYBRID CROSS Chapter 3: 32 We did not cover the binomial expansion, so you are not expected to be able to calculate the probability as written in the text. We will work this modified question: In mice, an allele for apricot eyes (a) is recessive to an allele for brown eyes (a+). An independent assorting locus, an allele for tan coat color (t), is recessive to an allele for black coat color (t+). A mouse that is homozygous for brown eyes and black coat color is crossed with a mouse having apricot eyes and a tan coat. The resulting F1 are intercrossed to produce the F1. What is the probability of obtaining a mouse with apricot eyes and a tan coat? 2. CHI-SQUARE - Chapter 3: 36 In the 1800s, a man with dwarfism who lived in Utah produced a large number of descendants: 22 children, 49 grandchildren, and 250 great-grandchildren (see the illustration of a family pedigree), many of whom were also dwarfs (F. F. Stephens. 1943. Journal of Heredity 34:229–235). The type of dwarfism found in this family is called Schmid-type metaphyseal chondrodysplasia, although it was originally thought to be achondroplastic dwarfism. Among the families of this kindred, dwarfism appeared only in members who had one parent with dwarfism. dwarfism....
View Full Document
This note was uploaded on 01/31/2011 for the course GENETICS 380 taught by Professor Glodowski during the Spring '08 term at Rutgers.
- Spring '08