TExES Science 7-12: Cell Reproduction & Division Chapter Exam

Exam Instructions:

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Question 1 1. If the cell of a diploid organism (2n = 6) undergoes meiosis, how many chromosomes are present in each daughter cell at the end of meiosis II?

Question 2 2. If the cell of a diploid organism (2n=4) undergoes mitosis, how many chromosomes are present in each daughter cell?

Question 3 3. What is true about the chromosomes in YOUR cells?

Question 4 4. The egg cell of a rabbit, which is a diploid organism, has 22 chromosomes. How many chromosomes can be found in a rabbit's neuron cell?

Question 5 5. Sickle cell anemia results from a mutation in the hemoglobin gene on both homologous chromosomes. At conception, which of the following is a plausible explanation for why some people with this mutation might not be at risk of developing sickle cell anemia?

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Question 6 6. A diploid cell which has one copy of chromosome 16 would be _____.

Question 7 7.

Which of the following is an example of aneuploidy?

I. A haploid cell with one copy of chromosome 21

II. A diploid cell with three copies of chromosome 21

III. A diploid cell with four copies of the X chromosome

Question 8 8. Which statement about the number of human chromosomes is correct?

Question 9 9. Different forms of a gene are called:

Question 10 10. If the cell of a diploid organism (2n = 6) undergoes meiosis, how many different chromosome homologs are present in each daughter cell at the end of meiosis I?

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Question 11 11. All of the following occur during interphase EXCEPT:

Question 12 12. Which structure helps to fit large amounts of DNA fit into a tiny cell?

Question 13 13. A pathologist issued a report on the karyotype of a patient. A doctor might use this information to identify:

Question 14 14. Why are adult stem cells useful?

Question 15 15. In general, how many chromosomes can usually be lost before it is considered a lethal event?

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Question 16 16. Which of the following statements is TRUE?

Question 17 17. Which of the following characteristics is unique to meiosis?

Question 18 18. Otherwise known as one of two copies of a replicated chromosome

Question 19 19. All of the following statements are correct EXCEPT:

Question 20 20. Chromosome condensation:

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Question 21 21.

Which of the following is/are consequences of meiotic recombination?

I. Increased genetic diversity

II. Exchange of parts of homologous chromosomes

III. Stabilization of chromosomes at the metaphase plate

Question 22 22. The process in which the duplicated DNA of a diploid cell is separated into two daughter cells is called:

Question 23 23.

Place the following steps in the cell cycle into the order in which they occur.

I. G1

II. G2

III. S phase

IV. M phase

Question 24 24. A picture in which all of the homologous chromosomes of an organism have been stained and organized is called a(n):

Question 25 25.

Which of the following structures does NOT participate in the cell division of a sunflower cell?

I. Contractile ring

II. Cell plate

III. Vesicle

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Question 26 26. After meiosis I, each daughter cell contains:

Question 27 27. If the diploid chromosome count in humans is 46, how many pairs of homologous chromosomes are there?

Question 28 28. At conception, your mother contributed a gene that encoded for the sickle hemoglobin (hemoglobin S), while your father contributed the same gene that encoded for normal hemoglobin (hemoglobin A). Which of the following denotes the DNA structures which carry these variants?

Question 29 29. A situation in which an otherwise diploid cell has three copies of a particular chromosome is known as _____.

Question 30 30. ____ reproduction is a form of reproduction in which offspring are produced from the union of ____ from two genetically different parents.

TExES Science 7-12: Cell Reproduction & Division Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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