Chapter 15, Problem 7IQ

Summary Introduction

To determine: The chromosome alterations on the first chromosome of the daughter cells which produced a gene sequence of A-B-C-O-P-Q-G-J-I-H

Introduction: The errors during the process of meiosis or mutagens such as radiation can cause four types of changes in a chromosome structure. A deletion occurs due to chromosomal breakage and an entire chromosomal fragment is lost. The chromosomal fragment may attach as an extra segment to a sister chromatid or a non-sister chromatid called duplication. Inversion is the reattachment of the fragment to the original chromosome in reverse orientation. Translocation is when the chromosomal fragment becomes attached to a non-homologous chromosome.