Which of the following is NOT an example of genetic variability?


A)
A population of snails has phenotypes that range from tan to dark brown.


B)
An asexually reproducing single celled organism produces 10 offspring in its lifetime.


C)
Allele #1 for wing size in a butterfly has the following sequence of bases: GGAT, while Allele #2 has this sequence: GGAC.