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Introduction to Genetic Disorder

Total questions: 15

Worksheet time: 13mins

Name
Class
Date
1.
True or False.  Some genetic disorders are caused by changes in the DNA of genes, but some are caused by changes in the structure or number of chromosomes.
a)
True
b)
False
2.
True or False.  All the DNA in one cell of an organism is called a genome.
a)
True
b)
False
3.
Which disease or disorder is caused by the inheritance of two mutated alleles?
a)
Down Syndrome
b)
Colorblindness
c)
Cystic Fibrosis
d)
Hemophilia
4.
Which genetic disorder or disease is a sex-linked trait and carried on the X chromosome?
a)
Cystic Fibrosis
b)
Sickle-cell Disease
c)
Hemophilia
d)
Down Syndrome
5.
What chromosome is affected by hemophilia?
a)
x
b)
y
c)
21
d)
13
6.
Which sex chromosomes would indicate a typical human male?
a)
XX
b)
X
c)
XY
d)
XXY
7.
Which of the following is true of your sex chromosomes?
a)
I have two Y chromosomes.
b)
I have at least one X chromosomes.
c)
They aren't developed until I turn 13.
d)
They are afraid of one another.
8.

Genetic information passing from parents to offspring via reproduction is...

a)

Homeostasis

b)

Asexual Reproduction

c)

Heredity

9.

What is an inherited Trait?

a)

Physical characteristics of organisms that are passed from parents to their offspring (young).

b)

Characteristics of organisms that are influenced by the environment.

c)

Animals have inherited characteristics that are also affected by their environment.

10.

A turtle swims in a polluted lake and gets a terrible disease. His children do not get the disease.

a)

Inherited Traits

b)

Acquired (Environmental) Traits

c)

Inherited-Environmental Traits

11.

Cystic Fibrosis is caused by an allel which is

a)

Dominant

b)

Reccessive

12.

Both parents have to carry the cystic fibrosis allele for you to inherit the disease

a)

True

b)

False

13.

Some people inherit 'faulty genes' which are caused by..

a)

chromosomal mutation

b)

gene mutation

c)

environment

d)

any type of mutation

14.

Sickle cell anaemia is

a)

a recessive sex linked disease

b)

a dominant non sex linked inherited disease

c)

a recessive non sex linked inherited disease

d)

a dominant sex linked disease

15.
Which disease or disorder is the result of having an extra chromosome?
a)
Cystic Fibrosis
b)
Down Syndrome
c)
Colorblindness
d)
Sickle-cell Disease