BIO-0014 Lecture 19: Fruits and their ability to ripen

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Embryo, problem is that fruit must be dug into to receive seeds a. i. a. ii. If you remove seeds from the pears, the fruit grows poorly: solution was to utilize strawberries with seeds on the outside b. i. b. i. 1. This way the fruit doesn"t get damaged when removing the seeds b. i. 2. Uterine enlargement in the presence of seeds: presence of seeds produce auxin allowing for cell enlargement c. i. c. i. 1. Fruits with no seeds, but coated with auxin grow to full size c. ii. 1. Substitutes the auxin secreted by the embryo seeds c. iii. Strawberry grows larger where the seeds are present on the fruit c. iii. 1. Can drastically affect the way the fruit is shaped c. iv. Evidence that the presence of seeds allows for larger fruit c. iv. 1. An apple with only 6 out of the normal 10 seeds is not as viable c. iv. 1. a. In nature this is called self-thinning when the tree drops this apple c. iv. 1. a. i. c. iv. 1. b.

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