Chromosome changes

Question 1

Changes in chromosome structure can result from errors in – or from exposure to radiation or other damaging agents.

Answer 1

meiosis

Question 2

A – is the loss of part of a chromosomal segment

Answer 2

deletion

Question 3

A – is the repetition of a segment. The repeated segment may be located next to the original or at a different location, and its orientation may be the same as the original or the reverse.

Answer 3

duplication

Question 4

An inversion is the removal of a segment followed by its reinsertion into the – in the reverse orientation.

Answer 4

same chromosome

Question 5

A translocation is the transfer of a segment to a – chromosome.

Answer 5

nonhomologous

Question 6

Translocations may be – (two nonhomologous chromosomes exchange segments)

Answer 6

reciprocal

Question 7

Translocations may be – (one chromosome transfers a segment without receiving one)

Answer 7

nonreciprocal