Punnett Square Practice Problems


A plant species has two alleles for stem length: Long (L) and Short (l). The Long (L) allele exhibits complete dominance. Based on the following Punnett Square, what is the probability that an offspring will have long stems?

To view this illustration, enable JavaScript and use the most current version of one of the following browsers:
Firefox,Chrome,Safari,Opera,Internet Explorer 9 or higher
Internet Explorer version 8 will or lower will not work
Given your answer to the nearest percentage.

%