What is the physical basis for the independent assortment observation that Mendel made?
A) Homologous chromosomes are randomly aligned and separated during meiosis.
B) Recombination (crossing over) occurs in meiosis.
C) Sister chromatids do not separate until meiosis II.
D) Male and female gametes are produced in separate organs in separate individuals.
E) There are two chromosome divisions in meiosis.
Answer: A
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