CHS 200 Final Exam Questions and Answers Latest Update 2025-2026
Treyvon constructed a pedigree for three generations of his family. He learned that his son has
an allele for Marfan syndrome, a disorder known for its variable expressivity. What does this
predict for Treyvon's son? - Answers He has an increased risk of developing the disease
Epigenetic modifications act through - Answers It may affect the proteins that surround and
support DNA.
What did Mendel decide was a good proxy for studying inheritance in people? - Answers Pea
plants
Emily finds out from the doctor her baby has a mutation in the CFTR gene. What disease might
be associated with this? - Answers Cystic Fibrosis
Your friend is telling you he watched a TV program on the murder of the royal family of Russia
because the Bolsheviks (communists) believed the family's women were sleeping with some
guy named Rasputin. He muses why the royal family would hang out with such a creep. What
might you say? - Answers Rasputin was treating the son for hemophelia
Huntington's disease - Answers autosomal dominant
BRCA mutation like what Emma Duncan had - Answers Autosomal Dominants
Dwarfism - Answers autosomal dominant
sickle cell anemia - Answers autosomal recessive
Color blindness - Answers sex-linked
cystic fibrosis - Answers autosomal recessive
Hemmingways cats toes - Answers Vairiable expressivity
brittle bone disease - Answers incomplete dominance
If many research studies come to the same conclusion, which of Hills postulate does this
address? - Answers Consistency
How does alcohol cause hypoxia? - Answers impairs placental-fetal blood flow
At what stage (in weeks) in a fetus's development did thalidomide affect? - Answers Weeks 5-6
Why is the range of estimates of FAS prevalence so wide with no national or concrete statistics?
- Answers There is no active surveillance nor population based surveillance system for FAS
Zygote - Answers 0-10 days
, Embryo - Answers 10days-10 weeks
Fetus - Answers 10 weeks-delivery
Neonate - Answers after delivery
Viability - Answers after 24 weeks
end of first trimester - Answers 13 weeks
Jones published a study examining 23 alcoholic mothers compared to 46 children born to non-
alcoholic mothers. He found children born to alcoholic mothers were four times more likely to
have low IQ relative to children born to non-alcoholic mothers. You think four times higher is
strong evidence that alcohol consumption is related to children with low IQ. Which one of Hills
Postulates does this support? - Answers Strength of Association
Where in the female reproductive tract does alcohol disrupt cellular differentiation and DNA
protein synthesis? - Answers placenta
The goal of the DHMO exercise was to - Answers A teaching/learning website
Cocaine users and people who experience adverse childhood events have fewer dopamine
receptors - Answers true
Cocaine's action, in the dopamine pathway, attaches to - Answers dopamine transporters
The sight of drug paraphernalia can activate the dopamine based incentive- motivation pathway
- Answers true
Eating: increases dopamine by 100% - Answers false
Why is the area the brain that teenagers use for decision making sub optimal? - Answers it is
emotion based
Addiction is a - Answers Brain Disease
Drug addiction causes both structural and functional changes in the brain - Answers true
Evolutionary theory - Answers Zoo animals live longer than animals in the wild
Free radical therory - Answers Superoxide and Hydroxyl
Mitochandrial theory of aging - Answers Extension and refinement of the free radical theory
telomere theory of aging - Answers Progerias
Inflammation Hypothesis of aging - Answers Osteoperosis, Alzheimers and diabetes maximal in
the elderly and minimal in young people
Treyvon constructed a pedigree for three generations of his family. He learned that his son has
an allele for Marfan syndrome, a disorder known for its variable expressivity. What does this
predict for Treyvon's son? - Answers He has an increased risk of developing the disease
Epigenetic modifications act through - Answers It may affect the proteins that surround and
support DNA.
What did Mendel decide was a good proxy for studying inheritance in people? - Answers Pea
plants
Emily finds out from the doctor her baby has a mutation in the CFTR gene. What disease might
be associated with this? - Answers Cystic Fibrosis
Your friend is telling you he watched a TV program on the murder of the royal family of Russia
because the Bolsheviks (communists) believed the family's women were sleeping with some
guy named Rasputin. He muses why the royal family would hang out with such a creep. What
might you say? - Answers Rasputin was treating the son for hemophelia
Huntington's disease - Answers autosomal dominant
BRCA mutation like what Emma Duncan had - Answers Autosomal Dominants
Dwarfism - Answers autosomal dominant
sickle cell anemia - Answers autosomal recessive
Color blindness - Answers sex-linked
cystic fibrosis - Answers autosomal recessive
Hemmingways cats toes - Answers Vairiable expressivity
brittle bone disease - Answers incomplete dominance
If many research studies come to the same conclusion, which of Hills postulate does this
address? - Answers Consistency
How does alcohol cause hypoxia? - Answers impairs placental-fetal blood flow
At what stage (in weeks) in a fetus's development did thalidomide affect? - Answers Weeks 5-6
Why is the range of estimates of FAS prevalence so wide with no national or concrete statistics?
- Answers There is no active surveillance nor population based surveillance system for FAS
Zygote - Answers 0-10 days
, Embryo - Answers 10days-10 weeks
Fetus - Answers 10 weeks-delivery
Neonate - Answers after delivery
Viability - Answers after 24 weeks
end of first trimester - Answers 13 weeks
Jones published a study examining 23 alcoholic mothers compared to 46 children born to non-
alcoholic mothers. He found children born to alcoholic mothers were four times more likely to
have low IQ relative to children born to non-alcoholic mothers. You think four times higher is
strong evidence that alcohol consumption is related to children with low IQ. Which one of Hills
Postulates does this support? - Answers Strength of Association
Where in the female reproductive tract does alcohol disrupt cellular differentiation and DNA
protein synthesis? - Answers placenta
The goal of the DHMO exercise was to - Answers A teaching/learning website
Cocaine users and people who experience adverse childhood events have fewer dopamine
receptors - Answers true
Cocaine's action, in the dopamine pathway, attaches to - Answers dopamine transporters
The sight of drug paraphernalia can activate the dopamine based incentive- motivation pathway
- Answers true
Eating: increases dopamine by 100% - Answers false
Why is the area the brain that teenagers use for decision making sub optimal? - Answers it is
emotion based
Addiction is a - Answers Brain Disease
Drug addiction causes both structural and functional changes in the brain - Answers true
Evolutionary theory - Answers Zoo animals live longer than animals in the wild
Free radical therory - Answers Superoxide and Hydroxyl
Mitochandrial theory of aging - Answers Extension and refinement of the free radical theory
telomere theory of aging - Answers Progerias
Inflammation Hypothesis of aging - Answers Osteoperosis, Alzheimers and diabetes maximal in
the elderly and minimal in young people
