Genetic material and Reproduction

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Name: _________________________
Genetic Material and Reproduction Q and A
Directions to login to textbook
Open Google chrome browser  www.google.com  search for Think Central  1st website  fill in the
information, username is 0 and your lunch number, password is student  My library  Student Edition. Type in R55
in the box to access the glossary that says page number (top right hand corner) and write the definitions of each word.
1. What is a gene?
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2. What is DNA?
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3. What is chromosome?
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4. The above three genetic materials (gene, DNA, chromosomes) are found in which organelle of the cell? (185)
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5. Look at the diagram below and explain how gene, DNA, chromosome, nucleus and cell are related to each
other.
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6. Write the following structures from smallest to biggest.
Chromosome, DNA, Cell, Nucleus, Gene
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7. How many chromosomes are found in each of the somatic cells (all cells except egg and sperm) of us?
(194) ____________.
8. How many chromosomes are found in sex cells such as egg and sperm? (194) ___________.
9. Go to page 194 in the textbook and answer question 6: Draw a sex cell for the same organism.
Read page 199 about Down syndrome and answer the following questions
10. What is Down syndrome? (199) ______________________________________________
11. How many chromosomes are found of chromosome number 21 in person with Down syndrome _____.
12. What are advantages of asexual reproduction? (pg. 210)
a. __________________________________________________
b. __________________________________________________
c. __________________________________________________
d. __________________________________________________
13. What are advantages of sexual reproduction? (pg. 211)
a. ________________________________________________________________
b. ________________________________________________________________
c. ________________________________________________________________
14. The offspring of asexual reproduction are genetically _____________ (identical/similar) to the parent
organism.
15. A benefit of asexual reproduction is that it is __________ (fast/slow).
16. Explain each type of asexual reproduction (pg. 207)
a. Binary fission:
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Example of binary fission: _______________
b. Budding:
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Example of budding: ________________
c. Spores:
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d. Vegetative reproduction:
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Example of Vegetative reproduction: ________________
Draw example of binary fission
Draw example of budding
Draw example of Spores
Draw example of Vegetative Reproduction
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