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Pedigrees
Test Description: Pedigree vocabulary review
Instructions: Answer all questions to get your test result.
1) What is one characteristic of the sickle-cell disease?
A
This disease involves the production of mucus in the lungs
B
This disease is characterized by red blood cells that have a different shape.
C
This disease mainly affects individuals living at high altitudes..... for example, the the Rocky Mountains.
2) Hemophilia is a disease in which:
A
there are more white blood cells than red blood cells.
B
blood does not clot normally.
C
blood does not carry enough oxygen.
3) A _________ is a chart used to follow a disease through generations of a family
A
Pedigree
B
Chromosome
C
Karyotype
D
Dependent variable
4) A half-filled in circle means:
A
A carrier female
B
An affected male
C
A female with the disease
D
An unaffected male
5) A completely filled in square means:
A
A carrier male
B
A carrier female
C
An unaffected female
D
An affected male
6) A vertical line in a pedigree represents:
A
The offspring in the next generation
B
A recessive disease
C
The couple is married
D
A homozygous individual
7) We are following a recessive disease through generations.This is a symbol (O)....an open circle ....in our pedigree. What would be the genotype of this individual?
A
aa
B
AA
8) When a genetic counselor looks at a pedigree, what can they predict?
A
The age structure of the future offspring
B
How many generations will be within a family.
C
The possibility of offspring inheriting genetic illnesses from the parents.
9) We are following Huntington's Disease through generations. It is a dominant allele. What is the possible genotype of an individual with the disease?
A
hh
B
Hh
C
Both Hh and hh
10) A solid symbol indicates that an individual has the disease. A half filled in symbol shows that a person is a carrier of the disease.
A
True
B
False
*select an answer for all questions
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