A second-division segregation ascus is an indication of:
A)absence of linkage between centromere and locus.
B)a crossover between centromere and locus.
C)a four-strand crossover between centromere and locus.
D)interference in the region between centromere and locus
E)a two-strand double crossover between centromere and locus.

Question

Quizplus · Accepted Answer

A second-division segregation ascus indicates a crossover event between the centromere and the gene locus, which results in the alleles segregating into different nuclei during the second meiotic division.

A Second-Division Segregation Ascus Is an Indication Of