Recent scientific and public policy discussions have focused on some natural and man-made substances, external to the body, and whether or not these substances interact with the endocrine system. The topic of “endocrine disruptors” is being popularized in media reports and discussed at scientific conferences. Read the following article and […]

8. Should we use blind (unknown to the examiner) tests to evaluate the accuracy of a scientist? Please explain your answer.9. Assume you found your sibling’s brother-in-law has had a sample submitted to the lab. This is a person you have never met, but that you know has been in […]

Q1. A fruitfly with red eyes and leg bristles (genotype RrBb) was mated with a white-eyed fly lacking bristles (rrbb). Five hundred offspring were counted, with the follow results- 58 Rrbb offspring; 62 rrBb offspring; 200 RrBb offspring; 180 rrbb offspring. Based on these results, how much distance is between […]

Mendel is known as the father of modern genetics, however there are some genetic characteristics which cannot be described by simple Mendelian genetics. Such is the case with human blood types where there are 3 alleles for same gene, A B, and o. A parent can pass allele A, B, […]