Which of the following statements correctly describes what happens to a chromosome after a nonreciprocal translocation occurs?
A) A deletion of part of the chromosome occurs.
B) A duplication of part of the chromosome occurs.
C) Nondisjunction of pairs of homologous occurs.
D) A chromosome transfers a fragment but receives none in return.

Question

Quizplus · Accepted Answer

In a nonreciprocal translocation, a fragment of one chromosome is transferred to another chromosome, but no fragment is received in return. Therefore, choice D is the correct answer. Choices A and B are incorrect because they describe outcomes of other chromosomal mutations, such as deletions and duplications. Choice C is incorrect because nondisjunction is a failure of chromosomes to properly separate during meiosis, and does not directly relate to a translocation.

Which of the Following Statements Correctly Describes What Happens to a Chromosome