Question

What did mendel call the first two individuals that mate in a genetic cross?

Answer 1

The first two individuals that mate in a genetic cross are the parental generation. Their offspring are the F1 generation. The offspring of the F1 generation are the F2 generation. 

Answer 2

Answer:

Parental generation

Explanation:

The first two individuals that were crossed with each other in a Mendelian experiment were called as the parent generation by Mendel.

The parent generation is denoted by a symbol P and the offsprings resulting from the cross forms the first filial generation F1.

After the first filial generation, the subsequent generation is expressed as F2, F3 and so.