True or False: Sex chromosomes can occur in pairs but also exist
alone with no phenotypic consequence.
True
Correct!
False
Question 3 pts
True or False: Trisomy and monosomy in autosomal
chromosomes are generally not tolerated in animals or plants.
True
Correct!
False
Question 4 pts
What is the only trisomy disorder in which individuals routinely live
longer than one year? The incidence of this disorder seems to
increase with an increased age in which parent?
Your Answer:
:
, down syndrome
the mother
Down syndrome (trisomy 21) is trisomy disorder in
which individuals routinely live longer than one year,
the incidence of which seems to increase with maternal
age.
Question 5 pts
True or False: Individuals that are afflicted with Down syndrome
typically exhibit only a subset of the stereotypical characteristics of
the disorder.
Correct! True
False
Question 6 pts
The DSCR region thought to be typically responsible for the Down
syndrome phenotype is located on chromosome _____.
20
:
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