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