Suppose you are heterozygous for two genes that are located on different chromosomes. You carry alleles A and a for one gene and alleles B and b for the other. On the diagram, identify the events responsible for the principle of segregation and the principle of independent assortment.

Verified step by step guidance

1. Understand the principles: The principle of segregation states that each individual has two alleles for each gene, which segregate during gamete formation, so each gamete carries only one allele for each gene. The principle of independent assortment states that alleles of different genes assort independently of each other during gamete formation.
2. Identify the genes and alleles: In this scenario, you have two genes on different chromosomes. For the first gene, you have alleles A and a. For the second gene, you have alleles B and b.
3. Relate to meiosis: During meiosis I, homologous chromosomes (each carrying different alleles) separate into different cells. This separation is where the principle of segregation occurs, as alleles A and a, and B and b are segregated into separate gametes.
4. Examine independent assortment: Since the genes are on different chromosomes, they will assort independently during meiosis I. This means the distribution of alleles A or a into gametes is independent of the distribution of alleles B or b. This is the principle of independent assortment.
5. Diagram connection: On a diagram, the event of homologous chromosomes lining up independently of each other during metaphase I of meiosis and their subsequent separation during anaphase I would illustrate the principle of independent assortment. The separation of sister chromatids during meiosis II would illustrate the principle of segregation.