Contemporary Issues In Biology Exam #1

BRCA genes {Ans: tumor supressor gene; when damaged, increased risk of cancer}gene therapy trials worldwide {Ans: - the number of gene therapy trials has increased worldwide - experts expect ge}Why can nonscientists have confidence in the information published in the reputable popular press? {Ans: reputable popular press bases their information off of peer-reviewed knowledge from scientific journals}radical prostatectomy {Ans: complete removal of prostate gland - most effective way to cure prostate cancer}Dolly {Ans: 1996, first mammal ever cloned, showed that the DNA of adult cells could be restored as if guiding protein synthesis in an embryo; Scottish scientists took the DNA from an adult sheep and figured out how to turn it back on as if it was a zygote, 276 attempts}effects of nicotine on the fetus {Ans: - miscarriage - pre-term delivery - decreased brith weight - SIDS - malnutrition}radioactive seed implants {Ans: small pellets of radioactive material (the size of a grain of rice) that are inserted into the prostate gland where they deliver their radiation treatment from inside the body. These pellets deliver twice the dose of radiation as external beam radiation and are left in place when they are