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Chapter 14 MENDEL AND THE GENE IDEA

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Chapter 14 MENDEL AND THE GENE IDEA 1. Who were the two strong influences on Mendel s education? Doppler (physicist) Unger (botanist) What about Mendel s ... – PowerPoint PPT presentation

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Title: Chapter 14 MENDEL AND THE GENE IDEA


1
Chapter 14MENDEL AND THE GENE IDEA
2
1. Who were the two strong influences on
Mendels education?
  • Doppler (physicist)
  • Unger (botanist)
  • What about Mendels monastery made it an ideal
    place to investigate genetics?

3
  • Why is the pea an ideal specimen for genetic
    studies?

4
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5
3. In your own words, what is Mendels Law of
Segregation?
6
4. Give an example of a monohybrid cross
dihybrid cross
  • Determine seed phenotypes their probabilities
  • hybrid yellow X green
  • dihybrid yellow/round X green/wrinkled
  • Hetero yellow/wrinkled X green/hetero round
  • What is a test cross?

7
1. What is the Law of Independent Assortment and
how does this law relate to meiosis?
  • Write your own example for the law of independent
    assortment.

8
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9
7. Define and then explain in your own words
both the Rules of Multiplication and the Rules of
Addition.
10
Practice
  • PpYyRr X PpYyRr
  • Determine probabilities for the following
  • ppyyRr
  • ppYyrr
  • Ppyyrr
  • PPyyrr
  • Ppyyrr

11
8. Contrast codominance and incomplete dominance
  • Why doesnt incomplete dominance support the
    blending hypothesis?
  • How can Tay-Sachs disease be considered
    incomplete dominance? codominant?
  • 9. Does having a dominant allele mean that it
    will be found in greater frequency in the
    population?

12
11. What are multiple alleles?
13
12. What does the term Pleiotropy mean?
14
13. In your own words, explain epistasis.
15
14. What would be your cluethat a character
would have polygenic inheritance pattern?
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