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Name: ____________________________________________ Chromosome Numbers Worksheet Complete the table below to show the number of chromosomes present in different stages of cell division in a variety of species. Number of Chromosomes Present at Different Stages of Cell Division Diploid Number Haploid Number Number of Chromosomes in Daughter Cells of Mitosis Number of Homologous Pairs Number of Chromosomes present in Meiosis at the BEGINNING of the following phases Prophase I Cabbage 9 Telophase I Telophase II 18 Trillium 5 Black Bear 38 Human Fruit Fly Peanut 23 8 40 Answer the following questions in the spaces provided. 1. Humans have 46 chromosomes. How many chromosomes are in a human sperm? _______ How many chromosomes are in a human spermatogonium/spermatocyte? _______ 2. The eggs of basset hounds contain 39 chromosomes. How many chromosomes are in basset hound body cells? _______ 3. How many chromosomes are in the sperm of a collie? _______ 4. How many chromosomes are in a white blood cell of a human? _______ 5. A goldfish has 94 chromosomes in each body cell, a human has 46, and a guinea pig has 64. What does this suggest about the complexity of an organism and the number of chromosomes it may have? __________________________________________________ __________________________________________________________________________ 6. What is the relationship between chromosome number in body cells and sex cells? __________________________________________________________________________