Biology Exam 4 Review

Biology Exam 4 Review - Biology Exam 4 Review Chapter 10...

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Biology Exam 4 Review Chapter 10 The Foundation of Genetics o Plant breeders showed that both parents contribute equally to inheritance Plants are easily grown in lg. quantities, make lots of offspring (seeds), short generation times, both male and female reproductive organs, and easy to control which ones mate Josef Gottlieb Kolreuter- reciprocal crosses - plants are mated w/each other in opposite directions. (Ex. White male + red female, red female + white male = identical results.) Both parents contribute equally to offspring! Units of inheritance still unknown- blending - offspring is a blended form of the 2 parents (red+white=purple.) o Mendel brought new methods to experiments on inheritance Public lecture in 1865 Written journal in 1866 (ignored for 30 years) 3 plant geneticists realized that chromosomes and meiosis gave an explanation for the theory Mendel gave to explain the data from his crosses Mendels experiments and the laws of inheritance o Mendel devised a careful research plan Garden pea- he controlled pollination (fertilization) so he knew the
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Biology Exam 4 Review - Biology Exam 4 Review Chapter 10...

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