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Mendel
Test Description: 4.1
Instructions: Answer all questions to get your test result.
1) A plant that has both male and female reproductive structures is able to
A
change colors
B
self-pollinate
C
self-replicate
D
none
2) If you cross a white flower with the genotype pp with a purple flower with the genotype PP, the possible genotypes in the offspring are
A
all pp
B
all PP
C
all Pp
D
PP and pp
3) When Mendel crossed truebreeding tall plants with truebreeding short plants, all the offspring were tall. When the F1 generation plants selfpollinated, some offspring were tall and some were short. What should Mendel have concluded from these results
A
Both dominant and recessive traits appear in each generation
B
Dominant and recessive traits appear at random from one generation to the next
C
Dominant and recessive traits appear in predictable patterns from one generation to the next
D
Only dominant traits appear in every generation
4) What is heredity?
A
offspring with no genotypes
B
traits passing from parents to offspring
C
traits disappearing from offspring
D
traits passing from offspring to parents
5) Mendel called the trait that reappeared in the F2 generation
A
Dominant
B
true-breeding
C
Shy
D
Recessive
6) The ratio of dominant to recessive traits in the F2 generation was
A
5:1
B
3:1
C
1:1
D
2:1
7) The one thing that Gregor Mendel realized could explain the results of his experiments was that
A
each trait had two sets of instructions, one from each parent.
B
the traits were appearing at random.
C
the male traits were always the dominant ones.
D
his important research would open the door to modern genetics.
8) Mendel called the trait that appeared in all the F1 plants
A
recessive
B
characteristic
C
trait
D
dominant
9) What is a trait?
A
different forms of a characteristic
B
different forms of meiosis
C
different forms of a pedigree
D
different forms of chromatids
10) What does it mean when all offspring have the same traits as the parent?
A
It has a ratio
B
It is true-breeding
C
It is self-pollinating
D
It is cross-pollinating
*select an answer for all questions
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