In humans, polydactyly (more than 5 fingers and toes on each hand and foot), is inherited in an autosomal dominant manner. what is the phenotype of an individual who is heterozygous for the mutant allele?
a. wild-type
b. 5 fingers/toes on each hand/foot
c. more than 5 fingers/toes on each hand/foot
d. 5 long and 1 short fingers/toes on each hand/foot
e. both a and b are correct.

Astudent sees several ants walking up a wall following the exact same trail that an ant took earlier. she wants to apply the scientific method to determine how the ants detected the trail. which of these steps would come first in her application of the scientific method? perform an experiment by cleaning the scent away from part of the trail. draw a conclusion that the ants follow a scent trail. make a prediction about what the ants will do after she cleans away part of the trail. hypothesize that the ants are following a scent trail that the first ant left.