BIO 133 EXAM 2 QUESTIONS WITH 100% CORRECT ANSWERS LATEST VERSION 2025/2026.

BIO 133 EXAM 2 QUESTIONS WITH
100% CORRECT ANSWERS LATEST
VERSION 2025/2026.




Example of a mulitfactorial trait - ANS alzheimers



genetic determinism is the idea that... - ANS our genes soley determine who we are at every
level, including physical, emotional, and behavioral



example of genetic determinism.. - ANS a person using genetic determinism as his defense in
a murder trial



what is responsible for variation in organisms - ANS gene and the environment



mendelian traits - ANS trait due to single gene



multifactorial traits - ANS traits influenced by environment



polygenic traits - ANS is one whose phenotype is influenced by more than one gene. example
height, skin color. many polygenic traits are also referred to as quuantitative trait loci.




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, empiric risk refers to the - ANS prediction of recurrence based on trait's incidence in specific
population



incidence - ANS rate at which event occurs



prevalence - ANS number of individuals who have a disorder at a specific time



heritability - ANS % of phenotypic variation due to genes.(know how to cal the heritability).



function of sensory neurons - ANS bring info to brain



function of motor neurons - ANS send info outward to muscles



transmission of info b/w neurons involves - ANS nerotransmitters



behavioral genetic trait - ANS is the field of study that examines the role of genetics in animal
(including human) behavior



example of behavioral genetic trait - ANS anorexia, bulimia, muscle dymorphia



DNA has 2 important properties which are - ANS instruction for production and replicating



discovery of a transforming principle

griffith(1928) infected mice w/ pneumonia. R(rough- no pneumonia) and S(smooth-pneumonia)
- ANS Griffith figured out tht there's something that was transforming the R-strain.




2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.