WorksheetsKaryotypes
Total questions: 15
Worksheet time: 12mins
Name
Class
Date
1.
A normal human has ___ pairs of autosomes and ___ pair(s) of sex chromosomes.
a)
23,1
b)
22,1
c)
1, 22
d)
1, 23
2.
The X and Y chromosomes are known as the ___ chromosomes.
a)
sex
b)
autosome
c)
biological
d)
genetic
3.
In humans, chromosome # ___ is the largest.
a)
1
b)
10
c)
22
d)
23
4.
Most sex linked genes are on the ____ chromosome.
a)
X
b)
Y
c)
1
d)
22
5.
____ are chromosomes that contain genes for characteristics unrelated to sex.
a)
autosomes
b)
microsomes
c)
cosmos
d)
inheritance
6.
Genes that are critical to life are found on the Y chromosome.
a)
True
b)
False
7.
Females have ____ and males have _____ chromosomes.
a)
XX, XY
b)
XY, XX
c)
XX, XX
d)
XY, XY
8.
A person with extra 21st chromosome exhibits what genetic disorder?
a)
hemophilia
b)
heterogeneity
c)
down syndrome
d)
dwarfism
9.
Chromosomes 1-22 in humans which contain genes for characteristics unrelated to sex.
a)
autosomes
b)
genome
c)
X-linked gene
d)
clone
10.
Down syndrome is caused by
a)
a deletion
b)
a translocation
c)
an inversion
d)
an extra chromosome (aneuploidy)
11.
Polyploidy is most commonly seen in
a)
Plants
b)
Animals
c)
Humans
d)
It's not technically possible
12.
Any cell or organism that has three or more sets of chromosomes
a)
Haploid
b)
Triploid
c)
Polyploid
d)
Diploid
13.
An organism in which the chromosome number is not an exact multiple of the haploid number
a)
Nondisjunction
b)
Aneuploid
c)
Trisomy
d)
Gene mutation
14.
A condition in which there is only one of a homologous chromosome pair
a)
Monosomy
b)
Euploidy
c)
Trisomy
d)
Aneuploidy
15.
An abnormal condition in which there are three homologous chromosomes in a set instead of two.
a)
Triploid
b)
Monosomy
c)
Trisomy
d)
Polyploid
100 %
