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Work Of Gregor Mendel
Test Description: This is based on the experiments of Gregor Mendel
Instructions: Answer all questions to get your test result.
1) The passing of physical characteristics from parents to offspring is called:
A
hybridization
B
fertilization
C
genes
D
heredity
2) A characteristic that an organism can pass on to its offspring through its genes is a:
A
gene
B
DNA
C
trait
D
chromosome
3) The joining of a sperm and egg is:
A
genetic crossing
B
hybridization
C
fertilization
D
probability
4) In Mendel's cross for stem height, what contrasting traits did the pea plants in the P generation exhibit?
A
tall and short
B
rough and smooth
C
purple and white
D
fat and thin
5) What trait(s) did the plants in the F1 generation of Mendel's experiment exhibit?
A
100% tall
B
50% tall and 50% short
C
25% tall and 75% short
D
75% tall and 25% short
6) What trait(s) did the plants in the F2 generation of Mendel's experiment exhibit?
A
75% tall and 25% short
B
75% short and 75% tall
C
all short
D
all tall
7) What is a dominant allele?
A
one whose trait always shows up in the organism when the allele is present
B
the trait that you notice first
C
chromosomes
D
one whose trait may be masked when other alleles are present
8) What is a recessive allele?
A
the trait that you isn't noticeable
B
one whose trait always shows up in the organism when the allele is present
C
chromosomes
D
trait may be masked when other alleles are present
9) The different forms of a gene are called:
A
chromosomes
B
alleles
C
phenotypes
D
genotypes
10) An organism with 2 identical alleles for a trait is
A
dominant
B
heterozygous
C
recessive
D
homozygous
11) What happened to Mendel's plants when he crossed purebred tall peas with purebred short peas?
A
1:2 were tall and 1:2 were short
B
3:4 were tall and 1:4 were short
C
all of them were tall
D
all of them were short
12) What does the F in F1 generation stand for?
A
final
B
first
C
filial in Latin which means daughter/son
D
family
13) What does the P stand for in Parental Generation?
A
pea generation
B
parental generation
C
prime generation
D
possible generation
14) What did Mendel do in order to prevent self-pollination in his pea plants?
A
He added a chemical which prevented fertilization.
B
He didn't do anything. Pea plants can't self-pollinate.
C
He removed the pollen producing structure (stamen).
D
He planted each plant in a different area of the garden.
15) If an allele is represented by a capital letter, what does this indicate?
A
It is on a chromosome.
B
It always comes first.
C
It is a recessive allele.
D
It is a dominant allele.
16) What is the result of a cross of a hybrid tall pea plant and a purebred tall pea plant?
A
3/4 tall and 1/4 short
B
all tall
C
all short
D
1/2 tall and 1/2 short
17) If an organism is the product of many generations that have the same trait, then that organism is:
A
genetically perfect
B
fertilized
C
purebred
D
hybrid
18) Which is NOT true of a hybrid.
A
It is purebred.
B
Its genotype contains one capital and one small letter.
C
Its phenotype is the dominant trait
D
It is heterozygous.
19) Gregor Mendel is sometimes refered to as:
A
the monk-key
B
monk of peas
C
Pea Picker
D
the father of genetics
20) If you crossed two hybrid tall pea plants, what phenotypes would be produced?
A
all Tt
B
all tall
C
1/4 TT, 1/2 Tt, and 1/4 tt
D
75% tall and 25% short
*select an answer for all questions
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