Pedigrees Question Preview (ID: 17153)


Pedigree Vocabulary Review. TEACHERS: click here for quick copy question ID numbers.

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
d)

When a genetic counselor looks at a pedigree, what can they predict?
a) How many generations will be within a family.
b) The possibility of offspring inheriting genetic illnesses from the parents.
c) The age structure of the future offspring
d)

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
c)
d)

A vertical line in a pedigree represents:
a) The couple is married
b) The offspring in the next generation
c) A recessive disease
d) A homozygous individual

A completely filled in square means:
a) An affected male
b) A carrier male
c) A carrier female
d) An unaffected female

A half-filled in circle means:
a) A carrier female
b) A female with the disease
c) An affected male
d) An unaffected male

A _________ is a chart used to follow a disease through generations of a family
a) Karyotype
b) Dependent variable
c) Chromosome
d) Pedigree

Hemophilia is a disease in which:
a) blood does not carry enough oxygen.
b) there are more white blood cells than red blood cells.
c) blood does not clot normally.
d)

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.
d)

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
c)
d)

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