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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
all
D
helpful;
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
monohybrid cross
C
pedigree
D
punnent square
3) A family record that indicates the occurrence of a trait is a
A
sonogram
B
karyotype
C
pedigree
D
chromosome map
4) Which of the following traits is controlled by multiple alleles in humans?
A
hemophilia
B
blood type
C
pattern baldness
D
sickle cell anemia
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 B
B
type AB
C
type O
D
type A
6) Which of the following describes hemophilia?
A
multiple-allele trait
B
sex-linked trait
C
codominant trait
D
dominant trait
7) In humans, the risks of passing on a genetic disorder to one's children can be assessed by
A
prenatal testing
B
analysis of a pedigree
C
all
D
genetic counselings
8) Genetic counseling is a process that
A
helps identify parents at risk for having children with genetic defects
B
uses a family pedigree
C
assists parents in deciding whter or not to have children
D
all
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
sexlinked recessive
D
autosomal dominant
10) If a characteristic is sex-linked, it
A
occurs only in females
B
is always fatal
C
occurs most commonly in males.
D
can never occur in females
*select an answer for all questions
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