1
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CHS 200 Final Exam Study Guide
Questions and Answers (100% Correct
Answers) Already Graded A+
Epigenetic modifications act through [ ANS: ] It may affect the
proteins that surround and support DNA
What is the genetic cause of cystic fibrosis? [ ANS: ] Mutated CTFR
gene
What was the genetic disorder was implicated in the murder of
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the royal family of Russia? [ ANS: ] Hemophilia
Individuals who are heterozygous for a particular gene inherited
identical alleles [ ANS: ] False
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Treyvon constructed a pedigree for three generations of his family.
He learned that his parents, siblings, and grandparents all had
heart-related diseases (high blood pressure, heart attacks,
obesity). What does this predict for Treyvon? [ ANS: ] He has an
increased risk of developing a heart-related disease
BRCA mutation like what Emma Duncan had [ ANS: ] Autosomal
dominant
Match the disorder we discussed in class with the inheritance
pattern [ ANS: ] Huntington's Disease: Autosomal dominant
Dwarfism: autosomal dominant
sickle cell anemia: autosomal recessive
color blindness: sex linked
hemophilia: sex linked
cystic fibrosis: autosomal recessive
, 2
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hemmingways cat toes: variable expressivity
brittle bone disease: incomplete dominance
Why is the range of estimates of FAS prevalence so wide with no
national or concrete statistics? [ ANS: ] There is no active
surveillance nor population based surveillance system for FAS
Which of Hills Postulates would address that there is no safe dose
(threshold) for alcohol while pregnant? [ ANS: ] Strength of
Association
At what stage (in weeks) in a fetus's development did thalidomide
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affect? [ ANS: ] Weeks 5-6
Match time period with the correct term. Use time periods
presented in course materials (they can vary a little depending on
Guru01 - Stuvia
source) [ ANS: ] Zygote: 0-10days
Embryo: day 10-10 weeks
Fetus: 10 weeks-delivery
Neonate: after delivery
Viability: after 24 weeks
Induction: after 24 weeks
Start of pregnancy: up to 19 days
End of first trimester: 13 weeks
abortion: before 24 weeks
If many research studies come to the same conclusion, which of
Hills postulate does this address? [ ANS: ] consistency
How does alcohol cause hypoxia? [ ANS: ] impairs placental-fetal
blood flow
For Expert help and assignment solutions, +254707240657
CHS 200 Final Exam Study Guide
Questions and Answers (100% Correct
Answers) Already Graded A+
Epigenetic modifications act through [ ANS: ] It may affect the
proteins that surround and support DNA
What is the genetic cause of cystic fibrosis? [ ANS: ] Mutated CTFR
gene
What was the genetic disorder was implicated in the murder of
© 2025 Assignment Expert
the royal family of Russia? [ ANS: ] Hemophilia
Individuals who are heterozygous for a particular gene inherited
identical alleles [ ANS: ] False
Guru01 - Stuvia
Treyvon constructed a pedigree for three generations of his family.
He learned that his parents, siblings, and grandparents all had
heart-related diseases (high blood pressure, heart attacks,
obesity). What does this predict for Treyvon? [ ANS: ] He has an
increased risk of developing a heart-related disease
BRCA mutation like what Emma Duncan had [ ANS: ] Autosomal
dominant
Match the disorder we discussed in class with the inheritance
pattern [ ANS: ] Huntington's Disease: Autosomal dominant
Dwarfism: autosomal dominant
sickle cell anemia: autosomal recessive
color blindness: sex linked
hemophilia: sex linked
cystic fibrosis: autosomal recessive
, 2
For Expert help and assignment solutions, +254707240657
hemmingways cat toes: variable expressivity
brittle bone disease: incomplete dominance
Why is the range of estimates of FAS prevalence so wide with no
national or concrete statistics? [ ANS: ] There is no active
surveillance nor population based surveillance system for FAS
Which of Hills Postulates would address that there is no safe dose
(threshold) for alcohol while pregnant? [ ANS: ] Strength of
Association
At what stage (in weeks) in a fetus's development did thalidomide
© 2025 Assignment Expert
affect? [ ANS: ] Weeks 5-6
Match time period with the correct term. Use time periods
presented in course materials (they can vary a little depending on
Guru01 - Stuvia
source) [ ANS: ] Zygote: 0-10days
Embryo: day 10-10 weeks
Fetus: 10 weeks-delivery
Neonate: after delivery
Viability: after 24 weeks
Induction: after 24 weeks
Start of pregnancy: up to 19 days
End of first trimester: 13 weeks
abortion: before 24 weeks
If many research studies come to the same conclusion, which of
Hills postulate does this address? [ ANS: ] consistency
How does alcohol cause hypoxia? [ ANS: ] impairs placental-fetal
blood flow
