1. Which of the following statements is true? 02.01Q 1.More complex organisms have a larger haploid number of chromosomes. 2.The genome of an organism is usually defined as the haploid set of chromosomes of that organism. 3.All sexually reproducing species have different sex chromosomes among males and females. 4.Homologous chromosomes are genetically identical. 5.The human X and Y chromosomes do not behave as homologs during meiosis.

2. 02.02Q A cell in the G0 stage 1.has withdrawn from the cell cycle. 2.is in the process of dividing. 3.is replicating its DNA. 4.has just completed cell division. 5.is preparing for cell division.

3. In mitosis and meiosis, sister chromatids are separated during 02.03Q 1.prophase. 2.prometaphase. 3.metaphase. 4.anaphase. 5.telophase.

4. 02.04Q During meiosis I (one) 1.sister chromatids separate. 2.dyads split to form monads. 3.crossing over takes place. 4.an equational division takes place. 5.centromeres divide.

5. 02.05Q Meiosis allows 1.the generation of genetic variation among offspring. 2.the generation of new combinations of alleles on the same chromosome. 3.the transmission of equivalent genetic information from generation to generation. 4.the genetic contribution of two individual parents to each offspring. 5.All of the above.