What are the Two Halves of a Duplicated Chromosome Called

Question

What are the two halves of a duplicated chromosome called?
A) alleles
B) centromeres
C) homologous chromosomes
D) sister chromatids

Accepted Answer

The two halves of a duplicated chromosome are called sister chromatids. The term "chromatid" refers to one half of a duplicated chromosome, while "sister" indicates that the two halves are exact copies of one another. The sister chromatids are joined at the centromere and eventually separate during cell division.