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DNA Genetics Review

Total questions: 18

Worksheet time: 14mins

Name
Class
Date
1.

Which of the following is not a nitrogen base?

a)

thymine

b)

cytosine

c)

atenine

d)

guanine

2.

DNA is located inside ______.

a)

Ribosomes

b)

The Epidermis

c)

The Nucleus

d)

Lysosomes

3.

You receive a whole copy of DNA from your mother and your father.

a)

True

b)

False

4.

Choose the correct matching strand of DNA to:


ATTCATGAG

a)

TAAGTACTC

b)

TATGTATTC

c)

GCCTGATAT

d)

TATCTACTC

5.

What term means two alleles that are the same?

a)

Heterozygous

b)

Homozygous

c)

Dominant

d)

Hybrid

6.

An organism that receives a recessive gene from both parents would show the ______________________.

a)

Dominant trait

b)

Heterozygous Dominant trait

c)

Mix of both parents

d)

Recessive trait

7.

Who discovered the theory of heredity?

a)

Joseph Mengele

b)

George Melon

c)

Gregor Mendel

d)

Rosalind Franklin

8.

In Mendel's experiments, he crossbred pea plants to observe traits passed down to different ______________.

a)

Genetic Children

b)

Generations

c)

Types of plants

d)

Areas of the garden

9.

The process of "halving" an organism's chromosomes in reproduction is called _______.

a)

Meiosis

b)

Mitosis

c)

Mitochondria

d)

Making New DNA

10.

The shape is DNA is considered to be a _______.

a)

Single Helix

b)

Quadruple Helix

c)

Ladder Helix

d)

Double Helix

11.

Please pick the genotype of the organism in the image.

a)

Purple

b)

Pp Heterozygous

12.

What is a phenotype?

a)

A descriptor of the alleles

b)

A descriptor of the physical characteristic

c)

A descriptor of the genetic code

d)

A descriptor of the dominant or recessive gene

13.

What other organelle in a cell can give information about a person's genetic makeup other than the nucleus? (Dr. Linville)

a)

Endoplasmic Reticulum

b)

Cell Wall

c)

Mitochondria

d)

Vacuoles

14.
Heredity is the passing of traits from _____________________ to _____________________
a)
predators to prey
b)
water to rain
c)
parents to offspring
d)
fungi to protists
15.
A ________________________ is used to predict the possible genotype from certain parents
a)
Mendel Grid
b)
Genetic Tic Tac Toe
c)
Punnett Square
d)
Pedigree Plot
16.
Adenine bonds with ______________.
a)
Guanine
b)
Thymine
c)
Cytosine
d)
Adenine
17.
Guanine bonds with ______________.
a)
Adenine
b)
Guanine
c)
Cytosine
d)
Thymine
18.
What determines the code, or information, of a DNA molecule?
a)
the shape (structure) of the nitrogen bases
b)
the order (sequence) of the nitrogen bases
c)
the color of the nitrogen bases
d)
the frequency (number) of nitrogen bases