WorksheetsChapter 5 Modern Genetics Test
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
What combination of sex chromosomes do men normally have?
a)
XX
b)
XY
c)
YY
d)
None of the above
2.
What combination of sex chromosomes do women normally have?
a)
XX
b)
XY
c)
YY
d)
None of the above
3.
An abnormal condition that a person inherits through genes or chromosomes is a
a)
clone
b)
genetic disorder
c)
karyotype
d)
DNA fingerprint
4.
A tool that geneticists use to trace the inheritance of traits in a family is called a
a)
pedigree
b)
punnett square
c)
karyotype
d)
genome
5.
In a pedigree, a square is used to represent a
a)
male
b)
female
c)
sex cell
d)
person with the trait
6.
In a pedigree, a circle is used to represent a
a)
male
b)
female
c)
sex cell
d)
person with the trait
7.
A picture of all the chromosomes in a cell that doctors use to detect genetic disorders is called a
a)
DNA fingerprint
b)
clone
c)
Human Genome Project
d)
karyotype
8.
In which method are organisms with the desired traits chosen to be the parents of the next generation?
a)
selective breeding
b)
hybridization
c)
cloning
d)
genetic engineering
9.
Treating genetic disorders by inserting the needed gene directly into the person's body cells is called
a)
cloning
b)
gene therapy
c)
inbreeding
d)
selective breeding
10.
The main goal of the Human Genome Project is to
a)
treat genetic disorders
b)
make karyotypes
c)
insert human genes into bacteria
d)
identify the DNA sequence of every human gene
11.
All egg cells have a
a)
clone
b)
genetic counselor
c)
X chromosome
d)
gene therapy
12.
A person who advises couples about their chances of having a child with a genetic disorder is a
a)
clone
b)
genetic counselor
c)
gene therapy
d)
genome
13.
An organism that is genetically identical to the organism from which it was produced is a
a)
clone
b)
genetic counselor
c)
karyotype
d)
x chromosome
14.
All the DNA in one cell of an organism is called a
a)
clone
b)
genome
c)
karyotype
d)
x chromosome
15.
Inserting copies of a gene directly into a person's cells to correct a genetic disorder is called
a)
genetic counselor
b)
genome
c)
gene therapy
d)
karyotype
16.
The allele for smile dimples is
a)
carried on the x chromosome
b)
carried on the y chromosome
c)
a dominant allele
d)
a recessive allele
17.
What is the probability that this couple will have a child without smile dimples?
a)
1 in 4
b)
2 in 4
c)
3 in 4
d)
4 in 4
18.
This pedigree shows the inheritance of hemophilia in a family. How many people have hemophilia?
a)
2
b)
4
c)
6
d)
8
19.
Person number 4 is a
a)
male with hemophilia
b)
female with hemophilia
c)
male who carries the allele for hemophilia
d)
female who carries the allele for hemophilia
20.
The allele for hemophilia is
a)
a dominant allele
b)
a recessive allele
c)
carried by more than one gene
d)
not carried by genes
100 %
