Answer:
Allele frequencies change randomly each generation is the example of genetic drift.
Answer: kinetochore
Spindle
fibers are aggregates of micro-tubules that move chromosomes during cell division. They attach to the kinetochore, a structure on chromatids, that when it's pulled separated sister chromatids. The kinetochore is a specialized protein complex found in the centromere of the chromosome.
Females have 2 X chromosomes where as males have just 1
A whole formed by combinig seperate elements
