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Unformatted text preview: Carried out reciprocal crosses: phenotype 1 ♂ male x phenotype 2 ♀ female phenotype 2 ♂ male x phenotype 1 ♀ female 6. Large number of offspring- tens of thousands of pea plants 7. Quantitative analysis- the key to good science BIS101 Handout #1, Page 2 Professor S. O’Neill Mendel's Hypothesis: 1. Particulate factors (genes) determine traits 2. Traits have 2 alternate forms (alleles) 3. Each adult has 2 units of heredity (gene pair, 2 alleles) 4. One unit of heredity will dominate over the other -expressed when only 1 copy is present 5. Gametes carry 1 member of gene pair (random) ( 1st Law ) 6. Gametes unite at random to form zygote 7. Segregation of one gene pair is independent of the segregation of another gene pair ( 2nd Law )...
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This note was uploaded on 03/29/2010 for the course BIO SCI 101 taught by Professor Kimsey during the Spring '10 term at UC Davis.
- Spring '10