Download Chromosome Numbers Worksheet

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?
__________________________________________________________________________