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The Human Genome

Total questions: 15

Worksheet time: 15mins

Name
Class
Date
1.

A normal human diploid zygote contains...

a)

23 Chromosomes

b)

46 Chromosomes

c)

44 Chromosomes

d)

XXY Chromosomes

2.

A chart that traces the inheritance of a trait in a family is called a(n)...

a)

Pedigree

b)

Karyotype

c)

Genome

d)

Autosome

3.

Traits that are caused by the interaction of many genes are said to be...

a)

Polyploid

b)

Linked

c)

Polygenic

d)

Autosomal

4.

An example of a trait that is determined by multiple alleles is...

a)

Huntington's Disease

b)

ABO Blood Groups

c)

Down Syndrome

d)

Hemophilia

5.

Most sex-linked genes are found on the...

a)

Y Chromosome

b)

X Chromosome

c)

X and Y Chromosomes

d)

Autosomal Chromosomes.

6.

Which parental pair could produce females with colorblindness (Remember colorblindness is a sex-linked chromosomal disorder)?

a)

Homozygous normal-vision mother; Father with colorblindness

b)

Mother with colorblindness; Father with normal-vision

c)

Heterozygous normal-vision mother; Father with normal-vision

d)

Heterozygous normal-vision mother; Father with colorblindness

7.

A common genetic disorder characterized by bent and twisted red blood cells is...

a)

Cystic Fibrosis

b)

Hemophilia

c)

Sickle Cell Disease

d)

Muscular Dystrophy

8.

Chromosomal disorders, such as Down Syndrome, are caused by __________, or the failure of homologous chromosome separation during meiosis, occurs.

a)

Nondisjunction

b)

Recessive Alleles

c)

Dominant Alleles

d)

Codominance

9.

Autosomal disorders can be caused by...

a)

Recessive Alleles

b)

Dominant Alleles

c)

Codominant Alleles

d)

All of These

10.

A picture of chromosomes arranged in groups is known as a(n)...

a)

Generation

b)

Pedigree

c)

Karyotype

d)

Chromoscopy

11.

Out of all of your chromosomes, all your chromosomes except for X and Y are known as...

a)

Sex Chromosomes

b)

Autosomes

c)

Dominant Chromosomes

d)

Recessive Chromosomes

12.

Out of all of your chromosomes, your X and Y chromosomes are known as...

a)

Sex Chromosomes

b)

Autosomes

c)

Dominant Chromosomes

d)

Recessive Chromosomes

13.

An example of a disorder caused by a recessive allele is?

a)

Cystic Fibrosis

b)

Huntington's Disease

c)

Sickle Cell Disease

d)

All of These

14.

An example of a disorder caused by a dominant allele is?

a)

Cystic Fibrosis

b)

Huntington's Disease

c)

Sickle Cell Disease

d)

All of These

15.

An example of a disorder caused by a codominant allele is?

a)

Cystic Fibrosis

b)

Huntington's Disease

c)

Sickle Cell Disease

d)

All of These