Question

Which of the labelled parts represents a single chromosome?

• A. B
• B. A
• C. D
• D. C

Answer 1

The correct option is B A

A duplicated chromosome (B) consists of two identical halves called as chromatids (A). Centromere (C) is the constricted region of chromatid. Two arms (E) of a chromatid are held by the centromere. Chromosomes of similar morphology and genetic constitution are referred to as homologous chromosomes (D). Thus, the correct answer is option B.