BIOL-3350 Quiz: Exam_3_Study_Questions
29 Jan 2018
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He began with two pure-breeding strains, one with long corollas and one with short corollas. One of his central predictions was that, if the mendelian model applied, the range of variation in his f2 hybrids would not extend all the way to the original parental phenotypes. Which of the following best explains why: he confirmed this by successfully breeding for long and short corolla plants in later generations. If this is the case, however; ______: directional and stabilizing; genetic variability in natural populations is much greater than expected. Jumping spiders will retreat from marked wings; the wing-waving is not necessary: the wing-waving behavior of tephritid flies is probably an anti-predator adaptation, a trait may be assumed to be an adaptation if _____. It is shown, in a well-designed study, to have a function and to increase fitness. In comparative studies, it is important to be aware of relationships among species because.
