Basically chromosomes are made up of genes, genes are made up of DNA, and DNA is made up of nucleotides. The answer is B. 18. The answer is D. 19. A homologous pair of chromosomes is represented above. I, tetrads align on the metaphase plate.
Mitosis produces two daughter cells while meiosis produces four daughter cells.
Independent assortment contributes to genetic diversity in meiosis but not in mitosis. In meiosis, the reduction division occurs at anaphase I. 21. The answer is stamen. The answer is E. 23. No seed dormancy is found in these plants.