6. When Mendel crossed two plants that were heterozygous for a single trait, what were the phenotypic and genotypic ratios of their offispring? (A) 1:2: and 3:1; (B) 3: and 1:2:1; (C) 9:3:3: and 9:3:3:1; (D) 3:1 and 3:1; (E) 1:2:1 and 1:2:1.

10. The general purpose of the synaptonemal complex is to . (A) enable the reformation of the cell wall during cytokinensis; (B) provide a link between homologous chromosomes in meiosis; (C) separate the sister chromatids during anaphase; (D) to independently assort the chromosomes during metaphase of meiosis; (E) None of the answers are correct.

6. When Mendel crossed two plants that were heterozygous for a single trait, what were the phenotypic and genotypic ratios of their offispring?
(A) 1:2: and 3:1;
(B) 3: and 1:2:1;
(C) 9:3:3: and 9:3:3:1;
(D) 3:1 and 3:1;
(E) 1:2:1 and 1:2:1.

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