BSC 170 Final Exam UPDATED Exam
Questions and CORRECT Answers
How sex determination takes place in humans (chromosomes and specific gene) - CORRECT
ANSWER - ZZ-ZW system:
ZZ - male
ZW - female
Birds, snakes, butterflies, some amphibians, and fishes
Haplodiploidy system:
Haploid set - male
Diploid set - female
Bees, wasps, and ants
Sex-linked inheritance patterns (more common in males but present in females) - CORRECT
ANSWER -
Sex determination in animals (XO, ZW, and haplo diploid system) - CORRECT
ANSWER -
X-inactivation and how it results in mosaicism - CORRECT ANSWER -
Sex chromosome aneuploidy and some specific examples in humans (Klinefelter, and Turner) -
CORRECT ANSWER -
Genetic, epigenetic, and physiological factors involved in sexual orientation of males -
CORRECT ANSWER - Strong genetic component to sexual preference
Both genetic and epigenetic components have been characterized
, Strong heritability in twin studies
A region on the X chromosome has been identified by several studies
Xq28
Both genetic and epigenetic factors map to this region
Region on chromosome 8 also has strong association
Consistent with patterns of inheritance
Mother's brother
Xq28 and its role in male homosexuality - CORRECT ANSWER - A region on the X
chromosome has been identified by several studies
Xq28
Both genetic and epigenetic factors map to this region
The current hypothesis explaining why genes encoding homosexuality haven't been lost due to
selective pressure - CORRECT ANSWER -
Traits associated with attractiveness in humans - CORRECT ANSWER - Sexual
orientation can be gay, straight, weak or strong
Innate attraction are traits that human subconscious finds attractive
Symmetry in face and body
Sign of mom's good health during pregnancy
Sign of dad's ability to provide food and shelter
Pheromones are scent molecules released
Attractive pheromones are linked to symmetry to also linked to mom and dad
Personal attraction
Traits that you personally find attractive
Usually linked to one or more person that you were attracted to during formative years
Questions and CORRECT Answers
How sex determination takes place in humans (chromosomes and specific gene) - CORRECT
ANSWER - ZZ-ZW system:
ZZ - male
ZW - female
Birds, snakes, butterflies, some amphibians, and fishes
Haplodiploidy system:
Haploid set - male
Diploid set - female
Bees, wasps, and ants
Sex-linked inheritance patterns (more common in males but present in females) - CORRECT
ANSWER -
Sex determination in animals (XO, ZW, and haplo diploid system) - CORRECT
ANSWER -
X-inactivation and how it results in mosaicism - CORRECT ANSWER -
Sex chromosome aneuploidy and some specific examples in humans (Klinefelter, and Turner) -
CORRECT ANSWER -
Genetic, epigenetic, and physiological factors involved in sexual orientation of males -
CORRECT ANSWER - Strong genetic component to sexual preference
Both genetic and epigenetic components have been characterized
, Strong heritability in twin studies
A region on the X chromosome has been identified by several studies
Xq28
Both genetic and epigenetic factors map to this region
Region on chromosome 8 also has strong association
Consistent with patterns of inheritance
Mother's brother
Xq28 and its role in male homosexuality - CORRECT ANSWER - A region on the X
chromosome has been identified by several studies
Xq28
Both genetic and epigenetic factors map to this region
The current hypothesis explaining why genes encoding homosexuality haven't been lost due to
selective pressure - CORRECT ANSWER -
Traits associated with attractiveness in humans - CORRECT ANSWER - Sexual
orientation can be gay, straight, weak or strong
Innate attraction are traits that human subconscious finds attractive
Symmetry in face and body
Sign of mom's good health during pregnancy
Sign of dad's ability to provide food and shelter
Pheromones are scent molecules released
Attractive pheromones are linked to symmetry to also linked to mom and dad
Personal attraction
Traits that you personally find attractive
Usually linked to one or more person that you were attracted to during formative years
