True or False
____ 1. Chromosomes are threadlike structure that are made up of proteins and DNA.
_____ 2. The body cells of have diploid chromosome number.
_____ 3. Each species has a constant number of chromosomes per cell, generation after
Generation.
_____ 4. The sex cells that unite during fertilization have haploid (N) chromosome number.
_____ 5. Each sex cell in humans has 23 chromosomes only.
_____ 6. The reduction-division is called meiosis.
_____ 7. A cell that divides by meiosis produces four new daughter cells.
_____ 8. Reduction of chromosome number to half happens during meiosis I.
_____ 9. The exchange of genetic material may occur through a process referred to as
crossing-over.
_____ 10. Mitosis allows the formation of haploid gametes.