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Chromosomes & Karyotype Quiz Review Game

Total questions: 40

Worksheet time: 28mins

Name
Class
Date
1.
The haploid number of human chromosomes is
a)
11
b)
12
c)
23
d)
46
2.
The diploid number of human chromosomes is
a)
23
b)
46
c)
92
3.
Histones are 
a)
proteins wound up in DNA
b)
critical to maintaining the shape of chromosomes
c)
aid in the tight packing of DNA
d)
all of these 
4.
When DNA is in its less coiled, "relaxed," state, between cell divisions, it is called
a)
autosomes
b)
chromatid
c)
chromatin
d)
centromere
5.
Autosomes are
a)
chromosomes found in autotrophs, only
b)
chromosomes that automatically correct all errors in the DNA
c)
chromosomes that determine traits other than sex
d)
chromosomes that determine the sex of the individual
6.

How many pairs of homologous chromosomes do humans have?

a)

23

b)

46

c)

2

d)

44

7.

How many chromosomes are in the body cells of an organism that has a haploid number of 14?

a)

28

b)

14

c)

7

d)

56

8.

Which sex determines the sex of the offspring?

a)

Males

b)

Females

c)

Both Males and Females

d)

Neither Males of Females

9.
A diploid cell of a normal male human contains 
a)
22 autosomes and two Y-chromosomes.
b)
22 pairs of autosomes and two Y-chromosomes.
c)
22 pairs of autosomes, one X and one Y-chromosome
d)
22 autosomes and two X-chromosomes
10.
Determine the sex of the individual whose karyotype is displayed in the image.
a)
female
b)
male
11.
Which structure is labeled as A in the diagram?
a)
Centromere
b)
Chromosome
c)
Sister chromatids
12.
Which structure is labeled as B in the diagram?
a)
Centromere
b)
Chromosome
c)
Sister chromatids
13.
Which structure is labeled as C in the diagram?
a)
Centromere
b)
Chromosome
c)
Sister chromatids
14.
A pair of identical chromosomes shown in a karyotype, one inherited from mom, and one inherited from dad are called
a)
sister chromotids
b)
centromeres
c)
homologous chromosomes
d)
autosomes
15.
Turner's Syndrome has a karyotype notation of
a)
47XX+21
b)
47XXY
c)
45XO
d)
44XX
16.

How many total chromosomes does a normal human have?

a)

23

b)

46

c)

92

d)

47

17.

Somatic cells of a human have ______ chromosomes and are called_________.

a)

10, haploid

b)

92, diploid

c)

23, haploid

d)

46, diploid

18.

What does "homologous" mean?

a)

same

b)

different

19.

A dog has 78 chromosomes in its heart, how many chromosomes would be in its brain cells?

a)

1

b)

78

c)

46

d)

39

20.

If a human cell has 23 chromosomes, is that cell a gamete or somatic cell?

a)

gamete

b)

somatic

21.

A picture of all a person's chromosomes is called a(n):

a)

syndrome

b)

chromosome

c)

chromatin

d)

karyotype

22.

What sex chromosomes would indicate a normal female?

a)

XY

b)

X

c)

XX

d)

XXY

23.

What sex chromosomes would indicate a normal male?

a)

XY

b)

X

c)

XX

d)

XXY

24.

How many chromosomes does a human gamete have?

a)

23

b)

2

c)

46

d)

92

25.

Which of the following is a gamete?

a)

skin cell

b)

sperm cell

c)

eye cell

d)

stomach cell

26.

Which of the following is a diploid cell?

a)

sperm cell

b)

egg cell

c)

gamete

d)

brain cell

27.

A condition where humans have 3 copies of a chromosome is called...

a)

monosomy

b)

disomy

c)

trisomy

d)

autosomy

28.

A condition where humans have only 1 copy of a chromosome is called...

a)

monosomy

b)

disomy

c)

autosomy

d)

trisomy

29.

A cell that has only 1 set of chromosomes (hint: half) is called...

a)

diploid

b)

haploid

c)

body cell

d)

somatic

30.

A cell that has 2 sets (the full number) of chromosomes is called...

a)

diploid

b)

haploid

c)

sex cell

d)

gamete

31.

What part of the chromosome holds the 2 sister chromatids together?

a)

chromatid

b)

chromatin

c)

glue

d)

centromere

32.

A human has ________autosomes and _____sex chromosomes.

a)

46, 2

b)

22 pairs, 1 pair

c)

23, 1

d)

23 pairs, 1 pair

33.

True or False: This individual is a female.

a)

True

b)

False

34.

Sickle cell disorder could be a beneficial mutation because...

a)

Sickle cell shaped blood cells flow more easily through the blood vessels.

b)

Sickle cell shaped blood cells carry more oxygen through the bloodstream.

c)

Sickle cell shaped blood cells prevent the malarial parasite from reproducing effectively.

d)

Sickle cell shaped blood cells prevent cancer from spreading throughout the body.

35.

True or False: Mutations can either be beneficial, harmful, or have no effect at all.

a)

True

b)

False

36.

All are chromosomal mutations EXCEPT

a)

translocation

b)

deletion

c)

insertion

d)

assimilation

37.

True or False: A sex-linked disorder is more common in females.

a)

True

b)

False

38.

The chromosomal mutation where one part of a chromosome breaks off and reattaches to a different non-homologous chromosome is called...

a)

inversion

b)

assimilation

c)

deletion

d)

translocation

39.

True or False: On a karyotype, chromosomes are arranged from smallest to largest.

a)

True

b)

False

40.

True or False: On a karyotype, centromere location is the same on all chromosomes.

a)

True

b)

False

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