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WGU D115 OBJECTIVE ASSESSMENT (OA) EXAM COMPLETE UNIT 1-UNIT 7 QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES $11.99
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WGU D115 OBJECTIVE ASSESSMENT (OA) EXAM COMPLETE UNIT 1-UNIT 7 QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES
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WGU D115 OBJECTIVE ASSESSMENT (OA) EXAM COMPLETE UNIT 1-UNIT 7 QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES Which type of genetic disease affects males more frequently than females? Sex-linked recessive Autosomal recessive Autosomal dominant Sex-linked dominant - Sex-Linked ...

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  • January 11, 2025
  • 20
  • 2024/2025
  • Exam (elaborations)
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WGU D115 OBJECTIVE ASSESSMENT

(OA) EXAM 2024-2025 COMPLETE UNIT

1-UNIT 7 QUESTIONS AND CORRECT

DETAILED ANSWERS WITH

RATIONALES


Which type of genetic disease affects males more frequently than females?




Sex-linked recessive

Autosomal recessive

Autosomal dominant


Sex-linked dominant - ✔✔Sex-Linked recessive. Since males only have

one X and one Y, if the affected chromosome has the illness, it will be

expressed.



1
©NINJANERD 2025/2026. YEAR PUBLISHED 2025.

,In which two conditions are chromosomal abnormalities the leading known

cause?




Intellectual disability

Respiratory disorders

Fetal miscarriage

Cardiovascular disease

Mental illness


Check My Answer - ✔✔Intellectual disability and fetal miscarriage.

Chromosome abnormalities are the leading known cause of intellectual

disability and fetal miscarriage.

What are three examples of prenatal diagnostic studies?

Drug-sensitivity testing

Chorionic villus sampling (CVS)

Microscopy of cervical mucosa

Preimplantation genetic testing (PGT)




2
©NINJANERD 2025/2026. YEAR PUBLISHED 2025.

, Amniocentesis - ✔✔Chorionic villus sampling (CVS), amniocentesis, and

preimplantation genetic testing (PGT) are examples of prenatal diagnostic

studies and are performed in vitro. CVS is a form of genetic testing that

provides genetic information found in utero and is usually performed

between weeks 11 and 14 of pregnancy. An amniocentesis is a form of

genetic testing that evaluates amniotic fluid and is usually performed during

the second trimester, between weeks 15 and 20 of pregnancy. PGT is

performed on the embryo prior to implantation.

Which genetic disorder is characterized by the presence of a zygote having

one chromosome with a normal complement of genes and one

chromosome with a missing gene?

Klinefelter syndrome

Down syndrome

Cri du chat syndrome


Turner syndrome - ✔✔Cri du chat syndrome (translated as "cry of the cat")

is caused by a DNA deletion. This term describes the cry often heard from

a baby affected by the syndrome. Cri du chat syndrome can present as a

microcephalic, low birth-weight baby with a piercing cry.



3
©NINJANERD 2025/2026. YEAR PUBLISHED 2025.

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