According to the chart on page 86 of the student lab manual, accept. More than 5 percent of the time the amount of deviation represented by the chi-square value would be expected by choice. The deviation is not significant evidence against the null hypothesis. According to the more detailed chart on page 40 of the teacher's manual, 2.67 falls between .05 and .20. This means approximately 11 percent of the time this deviation would be expected by chance alone.
Students choose symbols with which to label their vials until the true genotypes are determined.
The mutations are in eye color and the presence of normal wings. The F 1 results indicate that red eye color and the presence of normal wings are dominant. The numbers for both traits are equally distributed between the sexes indicating neither is sex linked. 1 sepia-eyed, vestigal winged 5. There is no deviation in the F 1 .