Match the following
| List - I | List - II | ||
|---|---|---|---|
| A. | Recombination Nodules | I. | Anaphase - I |
| B. | Homologous Chromosomes separate | II. | Anaphase - II |
| C. | Interkinesis | III. | Crossing over |
| D. | Splitting of centromere of each chromosome | IV. | Stage between two meiotic divisions |
Find the variance of the following frequency distribution:
| Class Interval | ||||
| 0--4 | 4--8 | 8--12 | 12--16 | |
| Frequency | 1 | 2 | 2 | 1 |