BIO 101 EXAM 4 Questions with 100% Verified Answers.

BIO 101 EXAM 4 Questions with 100% Verified Answers. Compare benign and malignant tumors. - Benign is non harmful and can usually be removed. Malignant is deadly and usually hard to remove. (Kemo is usually needed to get rid of it) Describe chromosomal mutations and give examples. - Effects large regions of chromosomes segments of DNA on chromosome lost or added Describe cystic fibrosis as a genetic disorder - cause and effects in humans. - Deletion of three nucleotide in gene that synthesizes a protein that transports chloride across cell membranes Describe DNA or molecular cloning and explain uses of this technology. - DNA cloning isolate a single gene and produce multiple copies Can be inserted into DNA fragments of bacteria Describe ethical questions associated with genetic engineering. - -cloning -crops/livestock -Childbirth -Insurance Describe genetic disorders. - Are caused by mutations that have affect on the organisms health Describe genomics and explain why knowing the genetic makeup of humans and other organisms is beneficial. - Describe how gel electrophoresis is used in DNA fingerprinting. - DNA fragments travel different distance along gel and are separated which results in distinct bands and tested to see if they are the same length Describe how mutations can be inherited in somatic (non sex) cells and in gametes. - By mitosis and meiosis Describe how stem cells and retroviruses may be used in gene therapy. - using virus that have correct copies of faulty genes into host Describe misconceptions associated with both sides of the stem cell controversy. - -Stem cell research = cures to diseases - There are too few stem cell lines - Genetic engineering