The jones family has eight children, all of whom are girls. what is the chance that the next child will be a boy?

Each hereditary trait corresponds to

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.

This is a situation in which genes are attached to an organism's sex chromosomes; the sex of an organism influences the expression of a gene.