Chapter 8 Final Study Guide
10 Questions
| Total Attempts: 102
This is chapter 8 final study guide for biology.
Questions and Answers
- 1.Which of the following is not a function of mitosis in humans?
- A.
Repair of wounds
- B.
Growth
- C.
Production of gametes from diploid cells
- D.
Replacement of lost or damaged cells
- 2.Why is it difficult to observe individual chromosomes during interphase?
- 3.A biochemist measures the amount of DNA in cells growing in the laboratory. The quantity of DNA in a cell would be found to double
- A.
Between prophase and anaphase of mitosis
- B.
Between the G1 and G2 phases of the cell cycle
- C.
During the M phase of the cell cycle
- D.
Between prophase I and prophase II of meiosis
- 4.Which two phases of mitosis are essentially opposites in terms of changes in the nucleus?
- 5.A chemical that disrupts microfilament formation would interfere with
- A.
DNA replication
- B.
Formation of the mitotic spindle
- C.
Cleavage
- D.
Crossing over
- 6.If an intenstinal cell in a dog contains____chromosomes, a dog sperm cell would contain ____ chromosomes.
- 7.A micrograph of a divid cell from a mouse shows 19 chromosomes, each consisting of two sister chromatids. During which stage of meiosis couldthis picture have been taken?
- 8.Tumors that remain at their site of orgin are called_____ while tumors from which cells migrate to other body tissue are called_____.
- 9.A fruit fly somatic cell contains eight chromosomes. This means that ______ different combinations of chromosomes are possible in its gametes.
- 10.Although, nondisjunction is a random event, there are many more individuals with an extra chromosome 21, which causes Down syndrome, than individuals with an extra chromosome 2 or chromosome 16. Propose an explantion for this.
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