Review questions, Oct 25

 

1. Offspring produced by asexual reproduction ____________.
1. share a quarter of genetic materials with parents
2. share a half of genetic materials with parents.
3. have the exact same genetic materials as parents.
4. are smaller than offspring produced by sexual reproduction

 

2. Binary fission of prokaryotic cells is an example of __________.
1. meiosis
2. sexual reproduction
3. asexual reproduction
4. cell differentiation

 

3. In eukaryotic cells, chromosomes are found in ___________.  The DNA/protein complex that makes up the eukaryotic chromosome is called ___________ .
1. ribosome .................... chromatin
2. nucleus ......................  sister chromatids
3. ribosome .................... nucleoid
4. nucleus ......................  chromatin
5. ER .............................  sister chromatids

 

4. Binary fission of bacterial cells and mitotic cell division of eukaryotic cells are similar in that _____________ .
1. they are examples of sexual reproduction
2. they both generate sister chromatids joined together at the centromere
3. they both duplicate the chromosomes after the division
4. they both duplicate the chromosomes before the division

 

5. Which of the following types of cell reproduction involves meiosis?
1. production of skin cells
2. production of sperm cells
3. proliferation of bacteria
4. proliferation of cancer cells
5. production of somatic cells

 

6. You discovered that you have a lump in your breast.  Your doctor examined your condition and told you that you have a benign tumor.  What does it mean?
1. You have cancer and it can be life-threatening.
2. The tumor is abnormal growth of cells but it is not life-threatening.

 

 

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