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.

Question

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

Answer 1

a) deletion, reciprocal translocation, translocation

b) deletion, translocation, inversion

c) reciprocal translocation, inversion, translocation

d) translocation, inversion, duplication