Advances Is Genetics: Question Preview (ID: 7677)

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Cloning results in 2 organisms that are
a) genetically different
b) genetically identical
c) both adult mammals
d) extinct

No 2 people have the same DNA, except for
a) family members
b) crime suspects
c) teachers
d) identical twins

Sex linked genes are genes on
a) all 23 pairs of chromosomes
b) the X chromosome only
c) the Y chromosome only
d) both the X and Y chromosomes

Genetic disorders are caused by
a) electricity
b) pedigrees
c) mutations
d) karyotypes

Which genetic disorder causes the body to produce thick mucus in the lungs and intestines?
a) amniocentesis
b) cystic fibrosis
c) sickle cell disease
d) pedigrees

What is a karyotype?
a) blood from a newborn baby
b) a picture of a baby before it born
c) a picture of the chromosomes in a cell
d) sickle-shaped cells

What combination of sex chromosomes results in a male human being?
a) XX
b) XY
c) XXY
d) YY

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

What procedure helps doctors diagnose a genetic disorder before a baby is born?
a) cloning
b) genetic engineering
c) mutation
d) amniocentesis

How can genetic counselors predict genetic disorders?
a) By taking pictures of a baby before it is born
b) by cloning
c) studying karyotypes, pedigree charts and Punnett squares
d) by eliminating recessive alleles in the parents

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