A) Crossing over
B) Linkage
C) Disjunction
D) Non-disjunction
E) Formation of the mitotic spindles

A) Genetic information is physically exchanged
B) Tetrads are formed
C) Only two chromatids cross over at any one point
D) All of these are true statements
E) None of these are true statements

A) The estimated number of crossovers that occur between two points
B) The recombination frequency written as a percentage
C) The non-recombination frequency written as a percentage
D) The number of parental phenoytpes seen in the progeny
E) None of these