Name Section Question 3 Geneticists studying humans rely upon the analysis of pedigrees to determine the cause of certain traits such as genetically heritable diseases. In the following pedigrees,shaded symbols represent affected individua Normal male Affected female ②B●○口 iWhat is the mode of inheritance? Assume that all individuals from outside these families are homozygous for the wild-type alleles ii)What is the genotype of the following individuals? Individual 1 Individual 2 Individual 3 iii)Suppose individuals 2 and 3 have another child. What is the chance that he / she will be affected? i)What is the mode of inheritance here? Assume that all individuals from outside these families are homozygous for the wild-type alleles 7012Fall2003Name:___________________________________ Section:_____ 7.012 Fall 2003 5 Question 3 Geneticists studying humans rely upon the analysis of pedigrees to determine the cause of certain traits such as genetically heritable diseases. In the following pedigrees, shaded symbols represent affected individuals. a) i) What is the mode of inheritance? Assume that all individuals from outside these families are homozygous for the wild-type alleles. ii) What is the genotype of the following individuals? Individual 1 Individual 2 Individual 3 iii) Suppose individuals 2 and 3 have another child. What is the chance that he/she will be affected? b) i) What is the mode of inheritance here? Assume that all individuals from outside these families are homozygous for the wild-type alleles. 1 2 3 1 2 3 4 5 Affected male Affected female Normal male Normal female