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Advances Is Genetics
Test Description: Pedigrees, cloning
Instructions: Answer all questions to get your test result.
1) Cloning results in 2 organisms that are
A
genetically different
B
extinct
C
both adult mammals
D
genetically identical
2) No 2 people have the same DNA, except for
A
family members
B
teachers
C
identical twins
D
crime suspects
3) Sex linked genes are genes on
A
both the X and Y chromosomes
B
the X chromosome only
C
all 23 pairs of chromosomes
D
the Y chromosome only
4) Genetic disorders are caused by
A
mutations
B
karyotypes
C
electricity
D
pedigrees
5) Which genetic disorder causes the body to produce thick mucus in the lungs and intestines?
A
cystic fibrosis
B
amniocentesis
C
sickle cell disease
D
pedigrees
6) What is a karyotype?
A
sickle-shaped cells
B
blood from a newborn baby
C
a picture of the chromosomes in a cell
D
a picture of a baby before it born
7) What combination of sex chromosomes results in a male human being?
A
XX
B
XXY
C
XY
D
YY
8) What is the function of DNA in a cell?
A
packaging and shipping proteins
B
carrying genetic material
C
providing energy for the cell
D
storing and releasing chemicals
9) What procedure helps doctors diagnose a genetic disorder before a baby is born?
A
mutation
B
genetic engineering
C
amniocentesis
D
cloning
10) How can genetic counselors predict genetic disorders?
A
studying karyotypes, pedigree charts and Punnett squares
B
by eliminating recessive alleles in the parents
C
by cloning
D
By taking pictures of a baby before it is born
*select an answer for all questions
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