Lesch-Nyhan syndrome is an x-linked, rare, recessive disease caused by a mutation in the gene encoding for hypoxanthine-guanine (HPRT1). A woman’s maternal grandfather suffered from Lesch-Nyhan syndrome. She is concerned her male child could have Lesch-Nyhan syndrome. Genetically, what is the chance that this child has Lesch-Nyhan syndrome

igneous rocks which formed by the crystallization of magma at the surface of the earth called extrusive rocks. they are characterized by fine-grained textures because the rapid cooling at or near the surface did not provide enough time for large crystals to grow.

carbon atoms, hydrogen, oxygen, and nitrogen.

the cost of mining is extremely low compared to the money earned from mining, creating income to improve the environment.

the potatoes have high sugar concentrations and although these potatoes were different we could seethe effects that their sugar concentrations had in different environments. for example, the potatoes in sample a, were placed in pure water. this created a hypertonic environment and caused the potatoes to draw in water from its surroundings. we saw the opposite happen with the potatoes in sample b when placed in the sodium chloride solution. the potatoes in this case were in a hypotonic solution and therefore lost water to their surroundings.