Question

When you study heredity, you need to be able to compare generations. In this lab, you will compare different generations of mice.

The original mice that you cross are called the
.The offspring from that cross are called the
.

A generation chart.

Answer 1

The original mice that you cross are called the parental generation (P generation).
The offspring from that cross are called the first filial generation (F1 generation).

(If you cross F1 individuals, their offspring are the F2 generation.)