What aspect of chromosome behavior most clearly accounts for Mendel's law of segregation?
A)movement of sister chromatids to opposite poles at anaphase II of meiosis
B)movement of homologous chromosomes to opposite poles at anaphase I of meiosis
C)crossing-over between homologous chromosomes during prophase I of meiosis
D)replication of chromosomes prior to meiosis
E)independent alignment of different homologous pairs on the metaphase I spindle

Question

Quizplus · Accepted Answer

Mendel's law of segregation is best explained by the movement of homologous chromosomes to opposite poles during anaphase I of meiosis. This ensures that each gamete receives only one chromosome from each homologous pair, which is the fundamental principle of segregation.

What Aspect of Chromosome Behavior Most Clearly Accounts for Mendel's