Altered chromosome structure can drastically affect an individual organism’s phenotype. However, some types of chromosomal rearrangements are more likely to be harmful than others. Categorize the following types of rearrangements from MOST LIKELY to be harmful to LEAST LIKELY to be harmful. A. reciprocal translocation, deletion, translocation B. deletion, translocation, inversion C. inversion, translocation, reciprocal translocation D. translocation, inversion, duplication

The original gene order on the chromosome for eight linked genes is A B C D E F G H. What would the gene order be after an A through C duplication followed by a D through F inversion?   a. A B C D E F G H   b. A B C A B C D E F G H   c. A B C A B C D F E G H I   d. A B C A B F E D G H   e. A B C A B C F E D G H

An organism described as 2n=4 has the chromosomes below with genes indicated by letters and centromeres indicated by periods. Select the BEST description of the chromosome aberration present in this organism. HJM.NPQ HJM.NPQ S.TVXZ S.TVXXVZ Select one: 0 a. Paracentric Inversion O b. Reverse Tandem Duplication Oc. Robertsonian Translocation Od. Terminal Deletion e. Tandem Duplication Of. Nonreciprocal Translocation g. Interstitial Deletion Oh. Pericentric Inversion Homobrachial Displaced Duplication Oj. Heterobrachial Displaced Duplication Ok. Reciprocal Translocation

Which of these changes in chromosome structure alter the total amount of genetic material?