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WorksheetsGenetics
Total questions: 22
Worksheet time: 11mins
Name
Class
Date
1.
Cloning occurs naturally in which types of reproduction?
a)
Asexual
b)
Sexual
c)
Sexual and asexual
2.
What type of allele always expresses itself?
a)
Recessive
b)
Dominant
c)
Gene
d)
Incomplete Dominance
3.
What type of allele only expresses itself when paired with a similar allele?
a)
Recessive
b)
Dominant
c)
Gene
d)
Incomplete Dominance
4.
The fertilization of an egg cell by a sperm cell occurs during what?
a)
Asexual
b)
Sexual
c)
Sexual and asexual
d)
Budding
5.
A clone is a what?
a)
A twin
b)
A genetic copy
c)
Arnold Schwarzenegger in The Sixth Day
d)
A product of sexual reproduction
6.
Which of the following shows a Homozygous Dominant genotype?
a)
NN
b)
Nn
c)
nn
7.
Which of the following shows a Homozygous Recessive genotype?
a)
NN
b)
Nn
c)
nn
8.
Which of the following shows a Heterozygous genotype?
a)
NN
b)
Nn
c)
nn
9.
What is an allele?
a)
A version of a gene
b)
A diploid cell
c)
A chromosome's copy
d)
DNA
10.
The observable characteristics (blue eyes, pointy ears, etc.) of an organism are known as its what?
a)
Dominance
b)
Allele
c)
Phenotype
d)
Genotype
11.
The alleles that an organism inherits (AA, Aa, aa, etc.) are known as its what?
a)
Dominance
b)
Allele
c)
Phenotype
d)
Genotype
12.
What is it called when DNA changes slightly when passed from a parent to an offspring?
a)
Mutation
b)
Recessive Passing
c)
Carrier
d)
Heterozygous
13.
Where are chromosomes located?
a)
Inside of DNA
b)
Inside of a cell's nucleus
c)
Inside of genes
d)
Under Mr. Clark's desk, behind the Diet Coke
14.
Which of the following would describe the sex chromosomes in a female?
a)
XX
b)
XY
c)
YY
d)
IDK
15.
Which of the following would describe the sex chromosomes in a male?
a)
XX
b)
XY
c)
YY
d)
IDK
16.
An organism's characteristics are entirely determined by genes.
a)
True
b)
False
17.
Which of the following is an example of a gamete? Choose the best answer.
a)
Sperm
b)
Egg
c)
Sperm and Egg
d)
Zygote
18.
Do the shaded people in this pedigree have the dominant or recessive trait?
a)
Dominant
b)
Recessive
c)
Cannot be determined.
19.
In this example, what is the probability an offspring will be heterozygous?
a)
0%
b)
25%
c)
50%
d)
100%
20.
Which of the following occurs in asexual reproduction?
a)
Meiosis
b)
Mitosis
c)
Fertilization
d)
Pollination
21.
Which of the following occurs in sexual reproduction?
a)
Meiosis
b)
Mitosis
c)
Budding
d)
Cloning
22.
What type of cell has HALF a complete set of chromosomes?
a)
Diploid Cell
b)
Haploid Cell
c)
Gamete
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