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Ch 11 Mendel And Genetics Part 1
Test Description: Mendelian Genetics
Instructions: Answer all questions to get your test result.
1) Gregor Mendel used pea plants to study
A
flowering.
B
the inheritance of traits.
C
gamete formation.
D
cross-pollination.
2) Offspring that result from crosses between parents with different traits
A
are called hybrids.
B
are true-breeding.
C
make up the parental generation.
D
make up the F2 generation.
3) Gregor Mendel removed the male parts from the flowers of some plants in order to
A
prevent cross-pollination.
B
make controlled crosses between plants.
C
stimulate self-pollination.
D
prevent hybrids from forming.
4) The chemical factors that determine traits are called
A
characters.
B
genes.
C
traits.
D
alleles.
5) Gregor Mendel concluded that traits are
A
not inherited by offspring.
B
determined by recessive factors only.
C
determined by dominant factors only.
D
inherited through the passing of factors from parents to offspring.
6) When Gregor Mendel crossed a tall plant with a short plant, the F1 plants inherited
A
an allele for shortness from each parent.
B
an allele for tallness from each parent.
C
an allele from only the tall parent.
D
an allele for tallness from the tall parent and an allele for shortness from the short parent.
7) The principle of dominance states that
A
all alleles are dominant.
B
all alleles are recessive.
C
some alleles are dominant and others are recessive.
D
alleles are neither dominant nor recessive.
8) When Gregor Mendel crossed true-breeding tall plants with true-breeding short plants, all the offspring were
A
they were true-breeding like their parents.
B
the allele for tall plants is dominant.
C
the allele for short plants is dominant.
D
the allele for tall plants is recessive.
9) If a pea plant has a recessive allele for green peas, it will produce
A
green peas if it does not also have a dominant allele for yellow peas.
B
yellow peas if it does not also have a dominant allele for green peas.
C
both green peas and yellow peas if it also has a dominant allele for yellow peas.
D
green peas if it also has a dominant allele for yellow peas.
10) A tall plant is crossed with a short plant. If the tall F1 pea plants are allowed to self-pollinate,
A
all of the offspring will be tall.
B
the offspring will be of medium height.
C
some of the offspring will be tall, and some will be short.
D
all of the offspring will be short.
*select an answer for all questions
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