Genetics: Analysis and Principles 5th Edition by Robert Brooker

Exercise 41

You have a female snail that coils to the right, but you do not know its genotype. You may assume that right coiling ( D ) is dominant to left coiling ( d ). You also have male snails of known genotype. How would you determine the genotype of this female snail In your answer, describe your expected results depending on whether the female is DD , Dd , or dd.