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Human Genetic Disorders A Day

Total questions: 10

Worksheet time: 10mins

Name
Class
Date
1.
Which genetic disorder is caused by a dominant allele?
a)
Huntington's
b)
Hemophilia
c)
Cystic fibrosis
d)
PKU
2.
This karyotype is taken from a  ________.
a)
female with Turner's syndrome
b)
male with Down's syndrome
c)
female with Down's syndrome
d)
normal female
3.

Which of the following is a result of a nondisjunction?

a)

Klinefleter syndrome

b)

Sickle cell anemia

c)

Cystic fibrosis

d)

Hemophilia

4.

monosomy : nondisjunction ::

a)

chromatids : centromere

b)

male : XY chromsomes

c)

haploid : mitosis

d)

meiosis : diploid

5.

If two parents carry the recessive allele that causes cystic fibrosis, the chances that their child will inherit the disorder are

a)

one in two

b)

one in four

c)

two in five

d)

100%

6.

Which of the following is caused by a recessive allele?

a)

achondroplasia

b)

Turner Syndrome

c)

albinism

d)

Huntington's Disease

7.

Which of the following statements is NOT true?

a)

A person with Huntington's disease has a 50% chance of passing the allele on to their children

b)

A person with Huntington's might be homozygous for the disease

c)

Huntington's is caused by nondisjunction

d)

A person that has the gene for Huntington's has a high chance of developing the disorder

8.

In humans, the disorder caused by a missing X chromosome is called:

a)

Klinefelter Syndrome

b)

Turner Syndrome

c)

Down Syndrome

d)

Axenfeld Reiger Syndrome

9.

This disorder causes too much mucus to be produced

a)

achondroplasia

b)

axenfeld-reiger

c)

albinism

d)

cystic fibrosis

10.

This disorder causes abnormal bone growth and unusually short stature

a)

Turner Syndrome

b)

Huntington

c)

cystic fibrosis

d)

achondroplasia