Chapter 14 MENDEL AND THE GENE IDEA

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Chapter 14MENDEL AND THE GENE IDEA
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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?

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

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3. In your own words, what is Mendels Law of
Segregation?
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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?

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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.

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7. Define and then explain in your own words
both the Rules of Multiplication and the Rules of
Addition.
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Practice

• PpYyRr X PpYyRr
• Determine probabilities for the following
• ppyyRr
• ppYyrr
• Ppyyrr
• PPyyrr
• Ppyyrr

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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?

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