BIOLOGY 1A03 Study Guide - Webbed Neck, Cleft Lip And Cleft Palate, Edwards Syndrome

• School: McMaster University
• Department: Biology
• Course: BIOLOGY 1A03
• Professor: Lovaye Kajiura

Document Summary

Gene therapy -> get cells to have a new property so patient can genetically modify and fight the cancer cells in the body (immotherapy) > may occur during meiosis ii (figure 12. 15 -> should show cross between chromosomes) ** be able to diagnose different cancer/ diseases from chromosomes (karyotypes) Deletions, duplications, also crossing over errors may occur (result to some genetic difference in daughter cells) Aneuploidy (can affect the longevity of the individual) Individuals have too many or too few of specific chromosomes ie: down syndrome (have three/ trisomic for chromosome #21/autosomal syndrome) Symptoms of down syndrome: 1) mentally challenge 2) slured speech 3) Patau syndrome: (47, 13+ trisomy chr. 13) 47-> one more than normal. Low set ears, webbed neck, receding chin, organ malformation. Turner"s syndrome (x0 monosomy, individual females only one x chromosome) Short stature, webbed neck, shields like chest (flat chested)