2. An organism is 2n=4 with genotype AaBbEe. Genes A and B are close together on the larger chromosome, and gene E is on the smaller chromosome. a. Using a vertical metaphase plate, draw the two independent orientations of this AaBbEe cell in Metaphase I of Meiosis. b. Label alleles on all chromatids. c. Write the alleles in each possible gamete on the lines below each orientation.

These pictures represent cells in 2 different phases of meiosis. What are the differences between these 2 cells? Select all correct statements. Select ALL that apply: A. in 1, homologous chromosomes are being pulled apart, in the other sister chromatids are being pulled apart B. in one the sister chromatids are still attached, in the other they are not. C. 1 is in anaphase and 1 in metaphase D. following 1, you will get haploid cells but following the other you will still have diploid cells E. 1 contains homologous pairs the other does not

Think about the alignment of tetrads on the metaphase plate during meiosis I. What is meant by the statement that full siblings “ON AVERAGE” share 50% of their DNA? Could two siblings from the same parents share more or less than 50% of their DNA? How?

7. Definitions and short answer Refer to the textbook, lecture slides, and the lab introduction to answer the following questions: A. What is meant by the term Haploid? Diploid? B. What is the difference between a gene and an allele? C. If the blue eye allele is recessive, can a blue-eyed person be homozygous? Explain.