BIOLOGY REPRODUCTION

1. The purpose of mitosis is to ensure that:
each new cell is genetically different from its parent
each new cell receives the proper number of chromosomes
gametes are available for reproduction
DNA is replicated without errors

2. The image below illustrates what phase of mitosis





anaphase
teleophase
metaphase
prophase



3. Which of the following is NOT part of mitosis
prophase
metaphase
telophase
interphase

4. Which of the following is the term used for the "connector" between two sister chromatids?
chromosome
chromatid
centromere
spindle fiber

5. A cell that has 20 chromosomes undergoes mitosis. Which of the following is true?
two daughter cells will be created, each have 20 chromosomes
two daughter cells will be created, each have 40 chromosomes
4 daughter cells will be created, each having 10 chromosomes
2 daughter cells will be created, each having 10 chromosomes

6. The spindle fibers form during which phase of mitosis?
telophase
interphase
prophase
metaphase

7. Compared to the X chromosome, the Y chromosome is:
much larger
much smaller
more twisted
inherited more often

8. Which of the following can be determined from a karyotype?
the sex of the individual
whether the individual has Down Syndrome
The number of chromosomes present
all of these

9. Most cells spend the majority of their time in:
prophase
metaphase
interphase
telophase

10. Cytokinesis begins during which phase?
telophase
prophase
anaphase
metaphase