Short hair (L) is dominant to long hair (l). If a shorthaired
animal of unknown origin is crossed with a
long-haired animal and they produce one long-haired
and one short-haired offspring, this indicates that
a. the short-haired animal is pure-breeding.
b. the short-haired animal is not pure-breeding.
c. the long-haired animal is not pure-breeding.
d. the long-haired animal is pure-breeding.
e. none of these can be determined with two
offspring.
Answer: b
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