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