Which of the following types of information are needed to construct a karyotype? I. Size of the chromosomes
II. Gene mutations
III. Age of the individual

#1
I and II only

#2
I, II and III

#3
II only

#4
I only

Directions: read the descriptions of the four islands presented in the lesson. 1. list two new traits that each new species of rat might demonstrate as it adapts to the conditions on each island. 2. introduce one of the four new rat species to another island and describe one challenge it would encounter and one success as it adapts to its new environment.