wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Human Chromosomes and genetic Disorders

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

A chart that shows the presence or absence of a trait according to the relationships between parents, siblings, and offspring.

a)

Karyotype

b)

Genome

c)

Barr body

d)

Pedigree

2.

a dense region in the nucleus that represents a randomly switched off chromosome in female cells.

a)

Karyotype

b)

Genome

c)

Barr body

d)

Pedigree

3.

is the full set of genetic information that an organism carries in its DNA.

a)

Karyotype

b)

Genome

c)

Barr body

d)

Pedigree

4.

a photograph that shows the complete diploid set of chromosomes grouped together in pairs, arranged in order of decreasing size.

a)

Karyotype

b)

Genome

c)

Barr body

d)

Pedigree

5.

46,XX

a)

Female

b)

Male

6.

46,XY

a)

Female

b)

Male

7.

Only one X chromosome instead of two

a)

Down Syndrome

b)

Klinefelter's syndrome

c)

Turner's syndrome

d)

Sickle cell disease

8.

XXY; A male with an extra X chromosome

a)

Down Syndrome

b)

Klinefelter's syndrome

c)

Turner's syndrome

d)

Sickle cell disease

9.

Trisomy 21; three copies of chromosome 21 instead of 2

a)

Down Syndrome

b)

Klinefelter's syndrome

c)

Turner's syndrome

d)

Sickle cell disease

10.

Caused by a mutation that affects hemoglobin, the oxygen-carrying protein in red blood cells.

a)

Down Syndrome

b)

Klinefelter's syndrome

c)

Turner's syndrome

d)

Sickle cell disease