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the following people in your class.
What are some of the genetic characteristics that you can see? Some
examples will include widow’s peak, freely hanging earlobes, having more than
five fingers or toes, receding hairline
What are some of the physical
characteristics of the following people?
Can you identify those characteristics that are hereditary?
Polydactyly- having more than five toes
1.Werner’s syndrome is a
disease of premature and accelerated aging associated with defects in a DNA
2.Zellweger Syndrome is
a rare hereditary disorder affecting infants.
The disease is characterized by the reduction or absence of
peroxisomes-microbodies in vertebral animal cells, especially liver, kidney
and brain cells which are rich in several enzymes.
Malignant melanoma- a type of
cancer that begins in the melanocytes, the cells that form and contain a
substance called melanine. Malignant melanoma is associated with mutation of a
tumor suppressor gene involved in cell cycle control.
5. Brain section from a patient
with Huntington’s disease.
Huntington’s disease is a degenerative neurological disease that leads
6. Severe Combined
Immunodeficiency. Gene therapy has
been attempted to treat severe combined immunodeficiency caused by a missing
enzyme, adenosine deaminase.
Can you curl your tongue? Try so right now. If you can you have inherited the dominant allele for tongue
curling form at least one of your parents. Earlobe type is also determined
by a simple aotsomal inheritance.