The Living World 8th Edition by George Johnson

تمرين 3

Synapsis is the process whereby
A) homologous pairs of chromosomes separate and migrate toward a pole.
B) homologous chromosomes exchange chromosomal material.
C) homologous chromosomes become closely associated along their lengths.
D) the daughter cells contain half the number of chromosomes as the parent cell.
Crossing over is the process whereby
A) homologous chromosomes cross over to opposite sides of the cell.
B) homologous chromosomes exchange chromosomal material.
C) homologous chromosomes become closely associated along their lengths.
D) kinetochore fibers attach to both sides of a centromere.