WorksheetsHuman Chromosomes
Total questions: 12
Worksheet time: 11mins
Name
Class
Date
1.
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
2.
How many chromosomes does a human body cell have, total?
a)
48
b)
46
c)
23
d)
47
3.
A pair of chromosomes that consists of XX is a __________________.
a)
Male
b)
Female
4.
blood types consist of 4 different alleles.
a)
false
b)
true
5.
Which chromosomes are shown in the image?
a)
Sex Chromosomes
b)
Autosomes
c)
Trisomy
d)
Monosomy
6.
Identify the tool in the image:
a)
Karyotype
b)
Gel Electrophoresis
c)
DNA Fingerprint
d)
Gene Analysis
7.
This person's sex is:
a)
Female
b)
Male
8.
This is a karyotype for a
a)
Male
b)
Female
9.
Why is the gene for a disease or disorder more likely to be found on the X chromosome than Y?
a)
The X chromosome has many more genes
b)
The Y chromosome has many more genes
10.
Males are more likely to suffer from a sex-linked disease or disorder because
a)
males are the weaker sex
b)
males have less DNA
c)
males have 1 X chromosome, so the disorder is more likely to be expressed
11.
If a gene is found only on the X chromosome and not the Y chromosome, it is said to be
a)
sex-linked trait
b)
polygenic trait
c)
codominant trait
d)
incomplete dominance trait
12.
Blood types in Human follows the pattern of
a)
Simple dominance
b)
multiple alleles
c)
leathal genes
d)
Codominance
100 %
