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Section2
Test Description: D;ghautgpauh
Instructions: Answer all questions to get your test result.
1) The effects of a mutation can be
A
helpful;
B
all
C
harmfull
D
neutral
2) A diagram in which several generations of a family and the occurrence of certain genetic characteristics are shown is called a
A
family karyotype
B
pedigree
C
monohybrid cross
D
punnent square
3) A family record that indicates the occurrence of a trait is a
A
pedigree
B
karyotype
C
chromosome map
D
sonogram
4) Which of the following traits is controlled by multiple alleles in humans?
A
sickle cell anemia
B
pattern baldness
C
blood type
D
hemophilia
5) What would be the blood type of a person who inherited an A allele from one parent and an O allele from the other?
A
type AB
B
type O
C
type A
D
type B
6) Which of the following describes hemophilia?
A
codominant trait
B
sex-linked trait
C
multiple-allele trait
D
dominant trait
7) In humans, the risks of passing on a genetic disorder to one's children can be assessed by
A
analysis of a pedigree
B
prenatal testing
C
genetic counselings
D
all
8) Genetic counseling is a process that
A
assists parents in deciding whter or not to have children
B
helps identify parents at risk for having children with genetic defects
C
uses a family pedigree
D
all
9) Equally found in males and females, all children who had the disease had parents who also had the disease
A
sexlinked recessive
B
autosomal dominant
C
autocomal recessive
D
sexlinked dominanat
10) If a characteristic is sex-linked, it
A
is always fatal
B
can never occur in females
C
occurs only in females
D
occurs most commonly in males.
*select an answer for all questions
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