WGU D115 OBJECTIVE ASSESSMENT (OA) EXAM
2024-2025 COMPLETE UNIT 1-UNIT 7 QUESTIONS
AND CORRECT DETAILED ANSWERS WITH
RATIONALES
Terms in this set (46)
Which type of genetic Sex-Linked recessive. Since males only have one X and
disease affects males more one Y, if the affected chromosome has the illness, it will
frequently than females? be expressed.
In which two conditions are Intellectual disability and fetal miscarriage. Chromosome
chromosomal abnormalities abnormalities are the leading known cause of
the leading known cause? intellectual disability and fetal miscarriage.
, Chorionic villus sampling (CVS), amniocentesis, and
What are three examples of
preimplantation genetic testing (PGT) are examples of
prenatal diagnostic studies?
prenatal diagnostic studies and are performed in vitro.
Drug-sensitivity testing
CVS is a form of genetic testing that provides genetic
Chorionic villus sampling
information found in utero and is usually performed
(CVS)
between weeks 11 and 14 of pregnancy. An
Microscopy of cervical
amniocentesis is a form of genetic testing that evaluates
mucosa
amniotic fluid and is usually performed during the
Preimplantation genetic
second trimester, between weeks 15 and 20 of
testing (PGT)
pregnancy. PGT is performed on the embryo prior to
Amniocentesis
implantation.
Which genetic disorder is Cri du chat syndrome (translated as "cry of the cat") is
characterized by the caused by a DNA deletion. This term describes the cry
presence of a zygote often heard from a baby affected by the syndrome. Cri
having one chromosome du chat syndrome can present as a microcephalic, low
with a normal complement birth-weight baby with a piercing cry.
of genes and one
chromosome with a missing
gene?
Klinefelter syndrome
Down syndrome
Cri du chat syndrome
Turner syndrome
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