4. The visual proof that chromosomes exchange pieces of information during crossing over was provided by_________ . (A) Bateson and Punnett; (B) Morgan and Bridges; (C) Creighton and McClintock; (D) Watson and Crick.

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.

4. The visual proof that chromosomes exchange pieces of information during crossing over was provided by_________ .
(A) Bateson and Punnett;
(B) Morgan and Bridges;
(C) Creighton and McClintock;
(D) Watson and Crick.

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