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Trying To Determine If Two Males Are Related? The Y-STR Y Chromosome DNA Test May Be Right For You!

Y-STR Testing can be the right option for you! Y-STR, or Y-Chromosome testing is commonly used in ancestry cases where there are two males wanting to determine if they are related. The Y chromosome is passed from male to male in patrilineal ancestry, therefore only works when two males are being tested. With a very slow mutation rate, the Y chromosome remains virtually intact and unchanged when passed from father to son. Genealogical testing has become an accurate and affordable way to determine if a biological relationship exists when two people were previously unsure. Like other DNA testing, the Y-STR can be done through a simple cheek swab, or buccal swab. Companies like Paternity-USA offer affordable pricing, which makes the test more accessible to serious genealogic researchers, or to families who are just trying to find out if they are related. Y-STR results are given in the form of a percentage. The test can only be performed between 2 males. The result does not give you the ex...

Aquaponics: Choosing the Right Fish

Aquaponics is a sustainable food production system which combines Aquaculture and Hydroponics- therefore forming a mutual relationship where the effluent, nutrient-rich water from the animals, are flowed to plants which serves as fertilizer. The effluents just re-circulate in the system that serves beneficial for the 2 main components: fish and plants. Before knowing the right fish and plants to use, you must also be able to understand the 3 styles - because it also affects the Aquaponics fish and plants that are suitable for the setup. The first style is the media filled beds. This is the simplest among the three, and is best likely to be used by beginners. It has container with expanded clay or the like which absorbs the water from the fish tanks above it. It can be done via a continuous water flow system, where water flows through rocks or via draining the grow bed via a flow cycle. The second style, Nutrient Film Technique or NFT. For this type, nutrient filled water is pumped dow...