EDITION BY WILLIAM KLUG 2026
GENETICS TEST PAPER QUESTIONS
ANSWERS GRADED A+
◉ Offspring that result from crosses between true-breeding parents with
different traits
a.
are true-breeding.
b.
make up the F2 generation.
c.
make up the parental generation.
d.
are called hybrids.
Answer: D
◉ The chemical factors that determine traits are called
a.
alleles.
b.
traits.
c.
genes.
, d.
characters.
Answer: C
◉ The chemical factors that determine traits are called
a.
alleles.
b.
traits.
c.
genes.
d.
characters.
Answer: B
◉ When Gregor Mendel crossed a tall plant with a short plant, the F1
plants inherited
a.
an allele for tallness from each parent.
b.
an allele for tallness from the tall parent and an allele for shortness from
the short parent.
c.
an allele for shortness from each parent.