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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
harmfull
B
neutral
C
helpful;
D
all
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
hemophilia
D
blood type
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 O
B
type AB
C
type B
D
type A
6) Which of the following describes hemophilia?
A
sex-linked trait
B
multiple-allele trait
C
dominant trait
D
codominant 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
genetic counselings
C
all
D
prenatal testing
8) Genetic counseling is a process that
A
all
B
assists parents in deciding whter or not to have children
C
helps identify parents at risk for having children with genetic defects
D
uses a family pedigree
9) Equally found in males and females, all children who had the disease had parents who also had the disease
A
autocomal recessive
B
sexlinked dominanat
C
autosomal dominant
D
sexlinked recessive
10) If a characteristic is sex-linked, it
A
occurs only in females
B
occurs most commonly in males.
C
is always fatal
D
can never occur in females
*select an answer for all questions
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