What are the major reasons of Mendel's success?

Which of the following are reasons for Mendel's success ? (i) Usage of pure lines or pure breeding varieties (ii) Consideration of one character at a time (iii) Maintenance of statistical records of experiments (iv) Knowledge of linkage and incomplete dominance

What are the major causes of species losses in a geographical region ?

What are the major components of the seminal plasma?

What are the major functions of the male reproductive system ?

The major reason for extinction of species is:

Which one is not the reason for the success of Mendel ?

The scientist not associated with the rediscovery of Mendel's work is