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Genetic Disorder

Total questions: 50

Worksheet time: 53mins

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.  Pictured above is a pedigree, a tool geneticists use to trace the inheritance of traits through generations. 
a)
True
b)
False
3.
True or False.  Pictured above is a karyotype, a tool doctors use to check a person's DNA to diagnose genetic disorders.
a)
True
b)
False
4.
True or False.  Pictured above is a karyotype of a male human being.
a)
True
b)
False
5.
True or False.  With the genetic disorder known as Down Syndrome, a person's cells have an extra copy of chromosome 21. 
a)
True
b)
False
6.
True or False.  A clone has exactly the same genes as the organism from which it was produced.
a)
True
b)
False
7.
True or False.  All the DNA in one cell of an organism is called a genome.
a)
True
b)
False
8.
True or False.  Genetic engineering is used to produce a protein called insulin, which helps people who suffer from diabetes.
a)
True
b)
False
9.
True or False.  The mission Human Genome Project is to identify the DNA code of every gene in each of our chromosomes.
a)
True
b)
False
10.
True or False.  DNA fingerprinting allows scientists to use ribosomal DNA to determine a person's identity and relatedness to others.
a)
True
b)
False
11.
True or False.  Genetic engineering is used to produce a protein called insulin, which helps people who suffer from diabetes.
a)
True
b)
False
12.
An example of a mutation where a piece of chromosome breaks off and attaches to another chromosome is called ___.
a)
trisomy
b)
translocation
c)
inversion
d)
deletion
13.
Notice the abnormal 23rd chromosome.  This individual suffers from which chromosomal genetic disorder?
a)
Klienfelter's Syndrome
b)
Down Syndrome
c)
Cris-du-Chat Syndrome
d)
Andrew's Syndrome
14.
A chromosome is found to be shorter than it's homologous match.  Which type of mutation would this most likely be?
a)
insertion
b)
deletion
c)
translocation
d)
inversion
15.
The following karyotype illustrates an example of which syndrome?
a)
Turner's Syndrome
b)
Klienfelter's Syndrome
c)
Edward's Syndrome
d)
Down Syndrome
16.
What process occurs during meiosis that can result in chromosomal disorders?
a)
crossing over
b)
non-disjunction
c)
anaphase I
d)
prophase II
17.
Complete a karyotype analysis on the karyotype provided.
a)
47, XY, +18 
b)
46, XX
c)
47, XY, +21
18.
Complete a karyotype analysis on the karyotype provided.
a)
47, XX, +23
b)
46, X, +22
c)
45, X, +23
d)
46, XX, +21
19.
The dark bands on the chromosome come from which two nitrogen bases?
a)
A and G
b)
T and C
c)
A and T
d)
G and C
20.
The karyotype shows an individual with Edward's Syndrome.  What is the name of the specific disorder?
a)
monomy
b)
trisomy
c)
deletion
d)
translocation
21.

When you cross two parents, each parent is responsible for passing _______ of their two alleles for each individual trait.

a)

1

b)

2

c)

3

d)

4

22.

Grey (G) fur is dominant to brown (g) fur in mice. What would be the genotype of a mouse that is homozygous dominant?

a)

GG

b)

Gg

c)

gg

d)

GGG

23.

Grey (G) fur is dominant to brown (g) fur in mice. What would be the genotype of a mouse that is heterozygous?

a)

GG

b)

Gg

c)

gg

d)

GGG

24.

How many human genetic disorders are known?

a)

1

b)

100

c)

Thousands

d)

None

25.

Who was Gregor Mendel?

a)

Father of genetics

b)

Father of cells

c)

Coined the term heredity

d)

No one

26.

If Mom is type A, and Dad is type AB, can their kid be type o?

a)

Yes

b)

No

27.

What is AA

a)

Homozygous Dominant

b)

Heterozygous

c)

Homozygous Recessive

d)

Heterozygous dominant

28.

What is Aa

a)

Homozygous Dominant

b)

Heterozygous

c)

Homozygous Recessive

d)

Heterozygous dominant

29.

What is aa

a)

Homozygous Dominant

b)

Heterozygous

c)

Homozygous Recessive

d)

Heterozygous dominant

30.

True or False: Mendel used pea plants because they grow quickly and have distinctly different colored flowers.

a)

true

b)

false

31.

True or False: Self pollination is when a male plant and a female plant cross pollinate

a)

true

b)

false

32.

Having two different allele forms for a particular gene. Ex. Aa

a)

Heterozygous

b)

Homozygous

c)

Dominant

d)

Recessive

33.

True or False: You can be blood type AB because A and B are co-dominant

a)

true

b)

false

34.

The genetic makeup of an organism. Example BB

a)

genotype

b)

phenotype

c)

Dominant

d)

Recessive

35.

The physical look or the organism, such as brown eyes

a)

genotype

b)

phenotype

c)

Dominant

d)

Recessive

36.

The more prevalent form of the gene, written as a capitol letter. Ex. A

a)

genotype

b)

phenotype

c)

Dominant

d)

Recessive

37.

Different forms of genes

a)

Allele

b)

Genotype

c)

Phenotype

d)

Trait

38.

Illnesses or disorders caused by an abnormal gene (Examples: Downs and Turner Syndrome -wrong number of chromosomes, Recessive traits - Sickle Cell Anemia, Cystic Fibrosis)

a)

Mutation

b)

Genetic Disorder

c)

Vaccine

d)

Covid 19

39.

Long strands of DNA that contain thousands of genes

a)

Genes

b)

DNA

c)

Chromosomes

d)

Protein

40.

Someone who has one recessive allele for a trait but doesn’t show it.

a)

Dominant

b)

Recessive

c)

Mutant

d)

Carrier

41.

The allele combination for a trait (ie. Bb or bb.)

a)

Genotype

b)

Phenotype

42.

When a chromosome is not copied correctly

a)

Identical twins

b)

Fraternal twins

c)

Genetic Disorder

d)

Mutation

43.

The passing of traits from parent to offspring

a)

Genetics

b)

Heredity

c)

Biology

d)

Zoology

44.

Part of chromosome that controls a trait (30,000 in humans)

a)

Allele

b)

Protein

c)

Gene

d)

Nucleus

45.

The visibly expressed trait (ie. blue eyes)

a)

Genotype

b)

Phenotype

46.

Always shows its trait

a)

Dominant

b)

Recessive

47.

When you cross two parents, each parent is responsible for passing _______ of their two alleles for each individual trait.

a)

1

b)

2

c)

3

d)

4

48.

Grey (G) fur is dominant to brown (g) fur in mice. What would be the genotype of a mouse that is homozygous dominant?

a)

GG

b)

Gg

c)

gg

d)

GGG

49.

How many human genetic disorders are known?

a)

1

b)

100

c)

Thousands

d)

None

50.

What traits (phenotypes) can be chosen for designer babies RIGHT now using Pre-implantation genetic diagnosis?

a)

gender, personality, intelligence, disease, eye color

b)

gender, personality, intelligence, disease, appearance

c)

gender, personality, disease, hair color, eye color

d)

disease and eye color only!

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