Question

Differentiate between first filial generation (F1​) and second filial generation (F2​).

Answer 1

Hint: Parental generation or “P” generation is the initial generation which undergoes reproduction in an organized and observed manner to produce further offsprings. These consequent sets of offspring are given the nomenclature “filial generations”.

Complete answer:
Parental generation or the P1 generation is the generation which serves as a parent for development of F1 generation. These plants from F1 generation are selfed to produce second filial generation which is also known as F2 generation.
First filial generation or F1 generation is the first set of offsprings obtained from the parental generation or “P” generation. These are obtained as a result of crossing over of seeds between the genetically distinct parental plants having contrasting characters. These plants are produced via cross pollination of initial parental plants.
Second filial generation or F2 generation is formed when the F1 generation reproduces among themselves that means the seeds of first filial generation are self- fertilized to produce F2 plants belonging to second filial generation (F2).

Note: The term first filial generation and second filial generation are often used in the field of genetics. These generations are thus named for denoting the subsequent generations from the parent plant in a systematic manner for carrying out further studies. These designations are used by scientists for tracking the offspring while observing genetics of several generations.