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W. D. Hamilton gave the following simple explanation in his 1967 paper on "Extraordinary sex ratios", [3] given the condition that males and females cost equal amounts to produce: Suppose male births are less common than female. A newborn male then has better mating prospects than a newborn female, and therefore can expect to have more offspring.
Ralph Winfred Tyler (April 22, 1902 – February 18, 1994) was an American educator who worked in the field of assessment and evaluation. He served on or advised a number of bodies that set guidelines for the expenditure of federal funds and influenced the underlying policy of the Elementary and Secondary Education Act of 1965 .
Gregor Mendel, the Father of Genetics William Bateson Ronald Fisher. Particulate inheritance is a pattern of inheritance discovered by Mendelian genetics theorists, such as William Bateson, Ronald Fisher or Gregor Mendel himself, showing that phenotypic traits can be passed from generation to generation through "discrete particles" known as genes, which can keep their ability to be expressed ...
Ralph W. Tyler's Basic Principles of Curriculum and Instruction (1949) swung the pendulum of curriculum theory away from child centeredness toward more generalized behaviors. [18] Tyler's theory was based on four fundamental questions which became known as the Tyler Rationale: What educational purposes should the school seek to attain?
Mendelian inheritance (also known as Mendelism) is a type of biological inheritance following the principles originally proposed by Gregor Mendel in 1865 and 1866, re-discovered in 1900 by Hugo de Vries and Carl Correns, and later popularized by William Bateson. [1] These principles were initially controversial.
As with Haldane and Fisher, Dobzhansky's "evolutionary genetics" [59] was a genuine science, now unifying cell biology, genetics, and both micro and macroevolution. [44] His work emphasized that real-world populations had far more genetic variability than the early population geneticists had assumed in their models and that genetically distinct ...
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Fisher's fundamental theorem of natural selection is an idea about genetic variance [1] [2] in population genetics developed by the statistician and evolutionary biologist Ronald Fisher. The proper way of applying the abstract mathematics of the theorem to actual biology has been a matter of some debate, however, it is a true theorem.