Question

1. In a breeding experiment, chicken with white feathers, small comb were mated and the 192 offspring belonged to four categories are

1. white feathers, small comb (WS) – 100 offspring,
2. white feathers, large comb (WL) – 32 offspring,
3. dark feathers, small comb and (DS) – 40 offspring,
4. dark feathers, large comb (DL) – 20 offspring.

Use an appropriate test to check if the offspring categories follow the expected ratio 9:3:3:1 (level of significance = 0.05).

Answer 1