Peas (Pisum sativum) were well suited for Mendel's breeding experiments for all of the following EXCEPT
a) many of the characteristics that vary in pea plants are controlled by single genes
b) peas have a particularly long generation time
c) peas exhibit variations in a number of observable characteristics, such as flower color and seed shape
d) it is easy to obtain large numbers of offspring from any given cross
e) Mendel and his staff could control the pollination between different pea plants
Answer: b) peas have a particularly long generation time
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