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Genetics

Total questions: 40

Worksheet time: 46mins

Name
Class
Date
1.

A code that stores genetic information.

a)

DNA

b)

Gene

c)

Chromosome

d)

Genetics

2.

A bundle of DNA is called:

a)

Gene

b)

Chromosome

c)

DNA

d)

Nucleus

3.

The passing of traits from parents to offspring is called:

a)

Genetics

b)

Mitosis

c)

Heredity

d)

Meiosis

4.

The study of how traits are expressed in offspring is known as:

a)

Mitosis

b)

Meiosis

c)

Heredity

d)

Genetics

5.

The process of producing new reproductive cells (sperm/eggs/gametes) is called:

a)

Heredity

b)

Mitosis

c)

Meiosis

d)

Genetics

6.

The process of producing new body cells:

a)

Heredity

b)

Genetics

c)

Mitosis

d)

Meiosis

7.

When genetic information from each parent is combined to form a new organism:

a)

Sexual reproduction

b)

Asexual reproduction

c)

Heredity

d)

Genetics

8.

Place the following terms in order from SMALLEST to LARGEST.

a)

Chromosome - Nucleus - DNA - Gene - Cell

b)

Gene - DNA - Chromosome- Nucleus - Cell

c)

DNA - Gene - Chromosome - Cell - Nucleus

d)

Cell - Nucleus - DNA - Chromosome - Gene

9.

Which of the following is NOT a reason body cells go through mitosis?

a)

Organisms use mitosis to add new cells to increase their size.

b)

Organisms use mitosis for reproduction.

c)

Organisms depend on mitosis to repair damaged tissues.

d)

Organisms rely on mitosis to make specialized cells, such as skin, blood, and nerve cells.

10.

Why do chromosomes occur in pairs?

a)

Used as a cloning technique to make offspring.

b)

The chromosomes are attracted to each other.

c)

Each parent gives the offspring one of every type of chromosome.

d)

Each parent gives the offspring two of every type of chromosome.

11.

Mr. and Mrs. O’Malley have 3 children. You can tell that the children are brothers and sisters. Why do they not look exactly alike?

a)

Each child received a different combination of genes from each parent.

b)

The children received DNA from their step-parents.

c)

Each child received the same DNA from their parents.

d)

A child might receive more DNA from one parent than the other.

12.

A skin cell produced through MITOSIS will have how much of the parent cell's DNA?

a)

twice as much

b)

the same amount

c)

half as much

13.

An egg cell produced through MEIOSIS will have have how much of the parent cell's DNA?

a)

twice as much

b)

the same amount

c)

half as much

14.

A pineapple plant has 50 chromosomes. How many will it pass on to its offspring during sexual reproduction?

a)

50 chromosomes

b)

25 chromosomes

c)

100 chromosomes

d)

Need more information

15.

A physical characteristic determined by genes is called a person's:

a)

Genotype

b)

Phenotype

c)

Recessive trait

d)

Dominant trait

16.

The gene combination that determines an organism's traits is called their:

a)

Genotype

b)

Phenotype

c)

Recessive trait

d)

Dominant trait

17.

The weaker form of a gene.

a)

Genotype

b)

Phenotype

c)

Recessive

d)

Dominant

18.

The stronger form of a gene.

a)

Genotype

b)

Phenotype

c)

Recessive

d)

Dominant

19.

Using the letter L to indicate the dominant allele for long eye lashes, and/or “l” (a lowercase letter L, not the number one) to indicate the recessive allele for short eye lashes,what is the genotype of a person with two dominant alleles for eye lash length?

a)

ll

b)

Ll

c)

LL

20.

Which of the following is a genotype?

a)

Chromosome

b)

AA

c)

hair color

d)

white flowers

21.

Which of the following is a phenotype?

a)

Cell

b)

Aa

c)

chromosome

d)

purple flowers

22.
Heterozygous is when...
a)
the alleles are the same
b)
the alleles are different
c)
the alleles are absent
d)
the alleles are present
23.
G = green, g = yellow
The genotype for a yellow plant is...
a)
GG
b)
Gg
c)
gg
d)
all of the choices result in yellow
24.
Which of the following alleles is homozygous (purebred) recessive?
a)
Tt
b)
tt
c)
TT
d)
t
25.
Which of the following genotypes is heterozygous?
a)
Bb
b)
BB
c)
bb
d)
B
26.
In a flowering plant species, red flower color (R) is dominant over white flower color (r). What is the genotype of any red-flowering plant resulting from this species?
a)
rr
b)
R
c)
RR
d)
RR or Rr
27.
How many alleles (letters) do each person carry for a trait?
a)
1
b)
2
c)
3
d)
4
28.
How many alleles (letters) does a child get from each parent for each trait?
a)
1
b)
2
c)
3
d)
4
29.
Before cells can divide, what must be copied?
a)
mitochondria
b)
cytoplasm
c)
DNA
d)
Cell Wall
30.
Which type of reproduction leads to increased genetic variation on a population? 
a)
Parthenogenesis 
b)
Asexual reproduction 
c)
Sexual reproduction 
d)
Vegetative reproduction 
31.
The process on the left is:
The process on the right is:
a)
Left: meiosis
Right: meiosis
b)
Left: meiosis
Right: cloning
c)
Left: mitosis
Right: meiosis
d)
Left: mitosis
Right: mitosis
32.
The cells produced in meiosis are...
a)
Identical
b)
Unique
33.
The daughter cells in mitosis are...
a)
Identical
b)
Unique
34.
How many daughter cells are produced in mitosis?
a)
4 new cells
b)
2 new cells
c)
One new cell
d)
none of these
35.
How many daughter cells are produced in meiosis?
a)
4 daughter cells
b)
none of these
c)
3
d)
1
36.
This process produces cells with only 1/2 of the chromosomes as body cells.
a)
mitosis
b)
meiosis
37.
This produces cells for growth and repair.
a)
mitosis
b)
meiosis
38.

A structure in the nucleus that contains genetic material is called ....

a)

genetic material

b)

code

c)

nucleus

d)

chromosome

39.

Why do cells divide?

a)

All of the above

b)

To repair

c)

To replace

d)

To copy and divide

40.

The process by which a nucleus divides to form two identical nuclei is known as ....

a)

Cell division

b)

Cytokinesis

c)

Mitosis

d)

Cancer