Discussion:
Q: Three samples of Drosophila heterozygous for the recessive genes black body (b) and rough eyes (r) were inbred and the following data were obtained.
A. Perform a chi-square analysis for each sample assuming a 9:3:3:1 distribution.
B. Is there a significant deviation in any of these samples?
Sample Normal eye rough eye black color black color
Normal color normal color normal eye rough eye
1 190 58 34 6
2 276 94 64 26
3 226 66 74 18