A) chiasmata
B) centromere
C) chromosome
D) gene loci
Correct Answer: A
Solution :
Chiasmata is the point of attachment between non-sister chromatids of two homologous chromosomes. Crossing over i.e., exchange of segments between nonsister chromatids of a bivalents occurs at chiasmata during pachytene stage of prophase-I. Two chromatids of a chromosome is jointed at a point known as centromere. Chromosome is a genetic material. Each chromosome consist of two coiled filaments known as chromatids or chromonemata.You need to login to perform this action.
You will be redirected in
3 sec