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Sympatric OR allopatric speciation
Sympatry
The development of new species within a population. Two Hebe sp living in the same location but with different chromosomal numbers could suggest the reproductive isolation of the two species by polyploidy or anueploidy.
Allopatry
Genetic isolation of populations due to factors such as mountain building, glaciation. Eg the initial mountain building separated some species and the new environmental conditions changed the selective pressures acting on the gene pools, resulting in different species after reproductive isolation, eg H.speciosa and H. cupressoides.
Define Vitamin and Mineral requirements for preterm and low birth weight? Care to be taken for calcium and phosphorus intake in preterm infant. Due to inefficient sodium conser
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Gregor Mendel's Law of Independent Segregation referred to which of the following genetic elements? A. Alleles of two genes that reside on the similar chromosome B. Alleles
Define the Effects of Dietary Fibre? After reviewing the properties of fibre, we will now study various physiological effects of fibre, as it passes through the gut. The effect
Enumerate in detail about the Cytoskeleton All eukaryotic cells have distinct shapes, and are also capable of assuming different shapes. 'The internal organelles of a cell are
prove oxygen is produced during photosynthesis in the presence of light
Pisciculture: This is the culturing of fishes. There is a principal form of aquaculture called Fish farming, while other methods can come under mariculture. Fish farming main aim i
how does the green plant build up carbohydrates
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