《医学遗传学 Medical Genetics》课程授课教案（PPT课件讲稿）第十二讲 人类染色体畸变 chromosome aberration

Medical Genetics 10人类染色体畸变 chromosome aberration

Medical Genetics 10 人类染色体畸变 chromosome aberration

Medical Genetics Any type of change in the chromosome structure or number (deficiencies, duplications translocations, inversions, etc.)

Medical Genetics Any type of change in the chromosome structure or number (deficiencies, duplications, translocations, inversions, etc.)

Medical Genetics Although it can be a mechanism for enhancing genetic diversity, such alterations are usually fatal or ill adaptive especially in animals

Medical Genetics Although it can be a mechanism for enhancing genetic diversity, such alterations are usually fatal or ill￾adaptive, especially in animals

Medical Genetics 1. factors inducing chromosome aberration A, Ionizing radiation Ionizing radiation produces rearrangements of the genome

Medical Genetics 1. factors inducing chromosome aberration A. Ionizing radiation Ionizing radiation produces rearrangements of the genome

Medical Genetics Radiosensitivity of Various Cell Types Radiosensitivity Cell Type L。w Nerve cells Muscle cells Intermediate Osteoblast Endothelial cells Fibroblast Spermatids High Spermatogonia Lymphocytes Stem Cells Intestinal mucosa cells Erythroblast

Medical Genetics